The pilot episode generated 14.3 million viewers, with the season high topping out at 16.03 million viewers for episode 9. When the series returned from hiatus on January 22, 2007, the ratings averaged about the same as the pilot with 14.9 million viewers. When the show went on a second hiatus during the first season, from March 4, 2007 to April 23, 2007 (7 weeks), ratings hit a new low; the lowest being 11.14 million viewers during part one of the three part finale, "The Hard Part."
Keller, Richard (July 31, 2006). "Heroes to be Available on iTunes Before Its Television Debut". TV Squad. Retrieved December 23, 2007. http://www.tvsquad.com/2006/07/31/heroes-to-be-available-on-itunes-before-its-television-debut
"2006–07 Primetime Wrap" (Press release). The Hollywood Reporter. May 25, 2007. Retrieved December 26, 2007. http://www.hollywoodreporter.com/hr/content_display/television/features/e3ifbfdd1bcb53266ad8d9a71cad261604f
Chaney, Jen (August 28, 2007). "Heroes: Saving the World on DVD". The Washington Post. Retrieved December 23, 2007. https://www.washingtonpost.com/wp-srv/artsandliving/movies/features/bonus-points/082807.html
"Universal Unveils Inaugural Slate of Film and TV Offerings Coming to Blu-ray Disc". PR Newswire. April 17, 2007. Archived from the original on April 20, 2008. Retrieved April 19, 2008. https://web.archive.org/web/20080420105923/http://www.tvshowsondvd.com/news/Heroes-Season-1-and-Season-2-Blu-ray/9411
Frutkin, A.J. (August 20, 2007). "TV Hero: Tim Kring Readies Season Two of NBC Hit Heroes". Mediaweek. Archived from the original on March 10, 2009. Retrieved December 23, 2007. https://web.archive.org/web/20090310212654/http://www.mediaweek.com/mw/esearch/article_display.jsp?vnu_content_id=1003627815
How the 'Heroes' cheerleader got the part Archived October 1, 2008, at the Wayback Machine http://www.cnn.com/2007/SHOWBIZ/TV/10/22/apontv.castyourfate.ap/index.html?iref=newssearch
Popkin, Helen A.S. (February 5, 2007). "Super Hiro: Japanese nerd is hit of 'Heroes'". Today.com. Retrieved March 3, 2007. https://www.today.com/popculture/super-hiro-japanese-nerd-hit-heroes-wbna16756741
"Weekly Program Rankings". ABC Medianet. October 3, 2006. Archived from the original on March 14, 2012. Retrieved March 18, 2009. https://web.archive.org/web/20120314121058/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=100306_09
"Weekly Program Rankings". ABC Medianet. October 10, 2006. Archived from the original on November 29, 2014. Retrieved March 18, 2009. https://web.archive.org/web/20141129013609/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=101006_05
"Weekly Program Rankings". ABC Medianet. October 17, 2006. Archived from the original on October 10, 2014. Retrieved March 18, 2009. https://web.archive.org/web/20141010224630/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=101706_06
"Weekly Program Rankings". ABC Medianet. October 24, 2006. Archived from the original on October 11, 2014. Retrieved March 18, 2009. https://web.archive.org/web/20141011054814/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=102406_05
"Weekly Program Rankings". ABC Medianet. October 31, 2006. Archived from the original on February 27, 2009. Retrieved March 18, 2009. https://web.archive.org/web/20090227104657/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=103106_10
"Weekly Program Rankings". ABC Medianet. November 7, 2006. Archived from the original on July 19, 2009. Retrieved March 18, 2009. https://web.archive.org/web/20090719183341/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=110706_05
"Weekly Program Rankings". ABC Medianet. November 14, 2006. Archived from the original on July 30, 2009. Retrieved March 18, 2009. https://web.archive.org/web/20090730090223/http://www.abcmedianet.com/web/dnr/dispDNR.aspx?id=111406_09
"Weekly Program Rankings". ABC Medianet. November 21, 2006. Archived from the original on February 17, 2012. Retrieved March 18, 2009. https://web.archive.org/web/20120217155931/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=112106_06
"Weekly Program Rankings". ABC Medianet. November 28, 2006. Archived from the original on February 29, 2012. Retrieved March 18, 2009. https://web.archive.org/web/20120229223150/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=112806_08
"Weekly Program Rankings (Nov. 27-Dec. 3)". ABC Medianet. December 5, 2006. Archived from the original on February 29, 2012. Retrieved September 20, 2021. https://web.archive.org/web/20120229221915/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=120506_08
"Weekly Program Rankings". ABC Medianet. December 12, 2006. Archived from the original on May 9, 2009. Retrieved March 18, 2009. https://web.archive.org/web/20090509223116/http://www.abcmedianet.com/web/dnr/dispDNR.aspx?id=121206_06
"Weekly Program Rankings" (Press release). ABC Medianet. January 30, 2007. Archived from the original on December 21, 2008. Retrieved December 20, 2007. https://web.archive.org/web/20081221203530/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=013007_05
"Weekly Program Rankings" (Press release). ABC Medianet. February 6, 2007. Archived from the original on July 30, 2009. Retrieved December 21, 2007. https://web.archive.org/web/20090730090134/http://www.abcmedianet.com/web/dnr/dispDNR.aspx?id=020607_05
"Weekly Program Rankings" (Press release). ABC Medianet. February 13, 2007. Archived from the original on May 28, 2010. Retrieved December 21, 2007. https://web.archive.org/web/20100528010254/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=021307_05
"Weekly Program Rankings" (Press release). ABC Medianet. February 21, 2007. Archived from the original on May 28, 2010. Retrieved December 21, 2007. https://web.archive.org/web/20100528005900/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=022107_05
"Weekly Program Rankings" (Press release). ABC Medianet. February 27, 2007. Archived from the original on December 9, 2014. Retrieved December 21, 2007. https://web.archive.org/web/20141209232550/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=022707_06
This episode aired on the Global Television Network in Canada a day earlier than on NBC in the United States. /wiki/Global_Television_Network
"Weekly Program Rankings" (Press release). ABC Medianet. March 6, 2007. Archived from the original on December 9, 2014. Retrieved December 21, 2007. https://web.archive.org/web/20141209232151/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=030607_05
This episode aired on the Global Television Network in Canada a day earlier than on NBC in the United States. /wiki/Global_Television_Network
"Weekly Program Rankings" (Press release). ABC Medianet. March 13, 2007. Archived from the original on May 28, 2010. Retrieved December 21, 2007. https://web.archive.org/web/20100528010314/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=031307_04
"Weekly Program Rankings" (Press release). ABC Medianet. May 1, 2007. Archived from the original on January 7, 2009. Retrieved December 21, 2007. https://web.archive.org/web/20090107091615/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=050107_08
"Weekly Program Rankings" (Press release). ABC Medianet. May 8, 2007. Archived from the original on July 30, 2009. Retrieved December 21, 2007. https://web.archive.org/web/20090730090202/http://www.abcmedianet.com/web/dnr/dispDNR.aspx?id=050807_09
"Weekly Program Rankings" (Press release). ABC Medianet. May 15, 2007. Archived from the original on February 29, 2012. Retrieved December 21, 2007. https://web.archive.org/web/20120229222900/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=051507_13
"Weekly Program Rankings" (Press release). ABC Medianet. May 22, 2007. Archived from the original on February 10, 2012. Retrieved December 21, 2007. https://web.archive.org/web/20120210142950/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=052207_06
"Weekly Program Rankings" (Press release). ABC Medianet. May 30, 2007. Archived from the original on October 11, 2013. Retrieved December 21, 2007. https://web.archive.org/web/20131011173549/http://abcmedianet.com/web/dnr/dispDNR.aspx?id=053007_07
Kring, Tim (creator) (August 28, 2008). (Unknown episode) (DVD) (Season one episodes). NBC Universal Media. Retrieved January 20, 2008. https://www.imdb.com/title/tt0813715/
Kring, Tim. "Heroes Live Blog: Why I wanted to do a show like Heroes". NBC. Archived from the original on February 28, 2008. Retrieved February 2, 2008. /wiki/Tim_Kring
Kring, Tim. "Heroes Live Blog: Friends with the creator of LOST". NBC. Archived from the original on February 13, 2008. Retrieved February 2, 2008. /wiki/Tim_Kring
"Interview with Jef Loeb". NBC. Archived from the original on February 13, 2008. Retrieved February 2, 2008. https://web.archive.org/web/20080213112206/http://www.nbc.com/Heroes/interviews/jeph_loeb.shtml
Weiss, Joanna (March 4, 2007). "Heroes conspiracy theory isn't Lost on series' fans – The Boston Globe". Boston.com. Retrieved May 27, 2009. http://www.boston.com/ae/tv/articles/2007/03/04/its_all_connected/?page=2
Kring, Tim. "Heroes Live Blog: The Pitch Process to NBC". NBC. Archived from the original on February 28, 2008. Retrieved February 2, 2008. /wiki/Tim_Kring
Kring, Tim. "Heroes Live Blog: The Pitch Process to NBC". NBC. Archived from the original on February 28, 2008. Retrieved February 2, 2008. /wiki/Tim_Kring
"Heroes Execs discuss show's future, LOST, more/". Archived from the original on March 7, 2008. https://web.archive.org/web/20080307165722/http://www.ogmog.com/2007/02/07/heroes-execs-discuss-shows-future-lost-more/
Goldman, Eric (June 22, 2006). "Comic-Con 2006: Heroes Pilot Premiere". IGN. Retrieved November 1, 2006. http://tv.ign.com/articles/720/720484p1.html
Tribbey, Chris (July 26, 2007). "The HD DVD of "Heroes" Comes Packed With Interactive Extras". allthingshidef.com. Archived from the original on January 5, 2008. Retrieved July 26, 2007. https://web.archive.org/web/20080105181249/http://www.allthingshidef.com/ME2/dirmod.asp?type=news&mod=News&mid=9A02E3B96F2A415ABC72CB5F516B4C10&tier=3&nid=89E5110303BB43C3B8BBB3607A05AAEE
"AFI Awards 2006 Official Selections Announced" (PDF) (Press release). American Film Institute. December 10, 2006. Retrieved December 11, 2006. http://www.afi.com/Docs/about/press/2006/awards06.pdf
"Heroes". The Hollywood Reporter. Archived from the original on February 12, 2007. Retrieved May 27, 2009. https://web.archive.org/web/20070212155757/http://www.hollywoodreporter.com/hr/search/article_display.jsp?vnu_content_id=1003156041
"The Watcher – All TV, all the time | Chicago Tribune | Blog". Featuresblogs.chicagotribune.com. September 22, 2006. Archived from the original on May 14, 2009. Retrieved May 27, 2009. https://web.archive.org/web/20090514122639/http://featuresblogs.chicagotribune.com/entertainment_tv/2006/09/like_pain_heres.html
"Heroes : Season 1". rottentomatoes.com. Rotten Tomatoes. Retrieved March 27, 2020. https://www.rottentomatoes.com/tv/heroes/s01/
"Heroes (NBC) – Reviews". Metacritic. Archived from the original on March 23, 2008. Retrieved March 28, 2008. https://web.archive.org/web/20080323124636/http://www.metacritic.com/tv/shows/heroes?q=heroes
"Heroes Premiere Delivers NBC's Highest 18–49 Rating for Any Fall Drama Debut in Five Years" (Press release). The Arizona Republic. September 26, 2006. Retrieved December 22, 2007. http://www.azcentral.com/12news/newsreleases/articles/heroespremiere09262006-CR.html
"Ratings: Top 20 in Total Viewers (in Millions)" (Press release). The Futon Critic. November 28, 2006. Archived from the original on October 9, 2009. Retrieved December 21, 2007. http://arquivo.pt/wayback/20091009225129/http://www.thefutoncritic.com/ratings.aspx?id=weekly
"Weekly Program Rankings" (Press release). ABC Medianet. January 30, 2007. Archived from the original on December 21, 2008. Retrieved December 20, 2007. https://web.archive.org/web/20081221131240/http://www.abcmedianet.com/web/progcal/dispDNR.aspx?id=013007_05
"Weekly Program Rankings" (Press release). ABC Medianet. May 15, 2007. Archived from the original on December 21, 2008. Retrieved December 21, 2007. https://web.archive.org/web/20081221131244/http://www.abcmedianet.com/web/progcal/dispDNR.aspx?id=051507_13
"2007 Writers Guild Awards Television & Radio Nominees Announced" (Press release). Writers Guild of America. December 14, 2006. Archived from the original on December 5, 2007. Retrieved December 14, 2006. https://web.archive.org/web/20071205212901/http://www.wga.org/subpage_newsevents.aspx?id=2267
"Hollywood Foreign Press Association Announced the Nominations for the 64th Golden Globe Awards" (Press release). Hollywood Foreign Press Association. December 14, 2006. Archived from the original on January 8, 2007. Retrieved December 14, 2006. https://web.archive.org/web/20070108110307/http://www.hfpa.org/news/id/42
"Aniston, Depp are People's Choice winners". Today.com. January 9, 2007. Archived from the original on January 16, 2016. Retrieved January 10, 2007. https://web.archive.org/web/20160116013650/http://www.today.com/id/16553069
"The 38th NAACP Image Awards Nomination Results" (PDF) (Press release). National Association for the Advancement of Colored People. January 9, 2007. Archived from the original (PDF) on February 28, 2007. Retrieved March 3, 2007. https://web.archive.org/web/20070228153720/http://www.naacpimageawards.net/PDFs/Nominees_Only.pdf
"The 33rd Annual Saturn Awards Nominations". The Saturn Awards. Archived from the original on February 21, 2012. Retrieved December 28, 2007. https://web.archive.org/web/20120221234527/http://www.saturnawards.org/nominations.html
"The 33rd Annual Saturn Awards Nominations". The Saturn Awards. Archived from the original on February 21, 2012. Retrieved December 28, 2007. https://web.archive.org/web/20120221234527/http://www.saturnawards.org/nominations.html
Hinman, Michael (July 19, 2007). "Heroes Grabs Eight Emmy Nominations". SyFy Portal. Archived from the original on September 26, 2007. Retrieved July 19, 2007. https://web.archive.org/web/20070926224737/http://www.syfyportal.com/news423917.html
"NBC Triumphs At TCA Awards" (Press release). Television Critics Association. July 21, 2007. Retrieved December 30, 2007. http://tvcritics.org/?q=node/329
Poniewozik, James (December 17, 2006). "People Who Mattered 2006: The Cast of Heroes". Time. Archived from the original on February 5, 2007. Retrieved December 31, 2006. https://web.archive.org/web/20070205065200/http://www.time.com/time/personoftheyear/2006/people/16.html
"Amazon.co.uk: Heroes – Series 1 Episode 1 : Sampler Disc [2006]: Ali Larter, Hayden Panettiere, Greg Grunberg, Milo Ventimiglia, Adrian Pasdar, Masi Oka: DVD". Amazon.co.uk. Retrieved April 27, 2008. https://www.amazon.co.uk/dp/B000RO8UEC/
"Amazon.co.uk: Heroes: Season 1 – Part 1 [2006]: Ali Larter, Hayden Panettiere, Greg Grunberg, Milo Ventimiglia, Adrian Pasdar, Masi Oka, Greg Beeman, Allan Arkush: DVD". Amazon.co.uk. Retrieved April 27, 2008. https://www.amazon.co.uk/dp/B000RG12FY
"Amazon.co.uk: Heroes: Season 1 – Part 2 [2006]: Masi Oka, Greg Grunberg, Ali Larter, Hayden Panettiere, Milo Ventimiglia, Adrian Pasdar, Christopher Eccleston, John Badham, Jack Coleman: DVD". Amazon.co.uk. Retrieved April 27, 2008. https://www.amazon.co.uk/dp/B000RGSOWS/
"Amazon.co.uk: Heroes – Season 1 Complete [2006]: Milo Ventimiglia, Adrian Pasdar, Hayden Panettiere, Ali Larter, Masi Oka, Jack Coleman, Greg Grunberg: DVD". Amazon.co.uk. Retrieved April 27, 2008. https://www.amazon.co.uk/dp/B000MRAA7O/
"Heroes – Season 1 :: Universal Pictures Australia". Universalpictures.com.au. Archived from the original on October 1, 2011. Retrieved May 27, 2009. https://web.archive.org/web/20111001081203/http://www.universalpictures.com.au/Main/Catalogue/Details.aspx?idCatalogue=795
"The 33rd Annual Saturn Awards Nominations". The Saturn Awards. Archived from the original on February 21, 2012. Retrieved December 28, 2007. https://web.archive.org/web/20120221234527/http://www.saturnawards.org/nominations.html
"Heroes – A list of extras for Season 1". Tvshowsondvd.com. Archived from the original on July 26, 2009. Retrieved May 27, 2009. https://web.archive.org/web/20090726033757/http://www.tvshowsondvd.com/news/Heroes/7340
"Heroes – Season 1 :: Universal Pictures Australia". Universalpictures.com.au. Archived from the original on October 1, 2011. Retrieved May 27, 2009. https://web.archive.org/web/20111001081203/http://www.universalpictures.com.au/Main/Catalogue/Details.aspx?idCatalogue=795
"Universal Unveils Inaugural Slate of Film and TV Offerings Coming to Blu-ray Disc Day and Date With DVD". PR Newswire. April 17, 2007. Archived from the original on April 20, 2008. Retrieved April 19, 2008. https://web.archive.org/web/20080420105923/http://www.tvshowsondvd.com/news/Heroes-Season-1-and-Season-2-Blu-ray/9411