Editing Sum 41 (section)

===2004–2005: ''Chuck''===
{{Main|Chuck (Sum 41 album)}}
In late May 2004, the band traveled to the [[Democratic Republic of the Congo]] with [[War Child (charity)|War Child Canada]], a branch of the British charity organization [[War Child (charity)|War Child]], to document the effects of the [[Second Congo War|country's civil war]].<ref name="MTV">{{cite news|first=Joe|last=D'Angelo|url=http://www.mtv.com/news/articles/1485897/03222004/sum_41.jhtml|title=Sum 41 Plan Trip To War-Torn Congo|work=[[MTV]]|date=March 22, 2004|access-date=February 1, 2023|archive-url=https://web.archive.org/web/20040609075026/http://www.mtv.com/news/articles/1485897/03222004/sum_41.jhtml|archive-date=June 9, 2004|url-status=dead}}</ref> There had been a stoppage in fighting for almost a year and a half, yet days after arriving, fighting broke out in [[Bukavu]] near the hotel where the band was staying.<ref name="MTV news">{{cite web|first1=Joe|last1=D'Angelo|first2=Adam|last2=Hootnick|url=http://www.mtv.com/news/articles/1488128/06032004/sum_41.jhtml|title=Sum 41 Caught in Violent Outbreak in Congo|work=[[MTV]]|date=June 3, 2004|access-date=February 1, 2023|archive-url=https://web.archive.org/web/20040605061403/http://www.mtv.com/news/articles/1488128/06032004/sum_41.jhtml|archive-date=June 5, 2004|url-status=dead}}</ref><ref name="Chuck AllMusic">{{cite web|first=Johnny|last=Loftus|url=https://www.allmusic.com/album/chuck-mw0000301542|title=Chuck - Sum 41|work=[[AllMusic]]|access-date=June 20, 2019|archive-url=https://web.archive.org/web/20230415161430/https://www.allmusic.com/album/chuck-mw0000301542|archive-date=April 15, 2023|url-status=live}}</ref> The band waited for the fighting to die down, but it did not.<ref name="knac.com">{{cite web|first=Curt|last=Miller|url=http://www.knac.com/article.asp?ArticleID=16287|title=Metal In Their Veins: An Exclusive Interview with Jason "Cone" McCaslin Of Sum 41|work=KNAC|date=July 22, 2015|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20230320214016/http://www.knac.com/article.asp?ArticleID=16287|archive-date=March 20, 2023|url-status=live}}</ref> A [[United Nations|UN]] peacekeeper, Charles "Chuck" Pelletier, called for armoured carriers to take the hotel's occupants out of the hot zone.<ref name="knac.com"/> After nearly twenty hours, the carriers arrived, and the band and forty other civilians were taken to safety.<ref name="knac.com"/>{{Listen|filename=WATB.ogg|title="We're All to Blame"|description=Sample of "[[We're All to Blame]]" from ''[[Chuck (Sum 41 album)|Chuck]]''.<ref name="Chuck AllMusic"/> "We're All to Blame" features a thrash metal sound.<ref>{{cite web|first=Trevor|last=Nicholson|url=https://forgottenunderground.com/2018/07/12/5ish-sum-41-songs-every-guitar-player-should-know/|title=5(ish) Sum 41 Songs Every Guitar Player Should Know|work=Forgotten Underground|date=July 12, 2018|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20190208094840/https://forgottenunderground.com/2018/07/12/5ish-sum-41-songs-every-guitar-player-should-know/|archive-date=February 8, 2019|url-status=dead}}</ref>|format=[[Ogg]]}}

In honor of Pelletier, Sum 41 named its next album ''[[Chuck (Sum 41 album)|Chuck]]''; it was released on October 12, 2004.<ref name="Chuck AllMusic"/><ref>{{cite magazine|url=https://www.billboard.com/bb/reviews/album_article_display.jsp?vnu_content_id=1000682466|title=Chuck : Sum 41 : Review|magazine=[[Billboard (magazine)|Billboard]]|date=October 30, 2004|access-date=January 29, 2022|archive-url=https://web.archive.org/web/20041217201429/https://www.billboard.com/bb/reviews/album_article_display.jsp?vnu_content_id=1000682466|archive-date=December 17, 2004|url-status=dead}}</ref> The album charted at number 10 on the ''Billboard'' 200 chart.<ref name="Chart History">{{cite magazine|url=https://www.billboard.com/artist/sum-41/chart-history/tlp/|title=Sum 41 Chart History|magazine=[[Billboard (magazine)|Billboard]]|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20230419190034/https://www.billboard.com/artist/sum-41/chart-history/tlp/|archive-date=April 19, 2023|url-status=live}}</ref> It also peaked at number two on the Canadian Albums chart.<ref name="Canadian Albums">{{cite magazine|url=https://www.billboard.com/artist/sum-41/chart-history/cna/|title=Sum 41 (Canadian Albums)|magazine=[[Billboard (magazine)|Billboard]]|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20230407072655/https://www.billboard.com/artist/sum-41/chart-history/cna/|archive-date=April 7, 2023|url-status=live}}</ref> The album received positive reviews,<ref>{{cite web|url=http://music.ign.com/articles/558/558577p1.html|title=Chuck – IGN|work=[[IGN]]|date=October 20, 2004|access-date=September 7, 2011|archive-url=https://web.archive.org/web/20120528014242/http://music.ign.com/articles/558/558577p1.html|archive-date=May 28, 2012|url-status=dead}}</ref><ref>{{cite magazine|url=https://www.billboard.com/bb/reviews/album_article_display.jsp?vnu_content_id=1000682466|title=Chuck : Sum 41 : Review|magazine=[[Billboard (magazine)|Billboard]]|date=October 30, 2004|access-date=January 29, 2022|archive-url=https://web.archive.org/web/20041217201429/https://www.billboard.com/bb/reviews/album_article_display.jsp?vnu_content_id=1000682466|archive-date=2004-12-17|url-status=dead}}</ref> and was certified Platinum in Canada and gold in the United States.<ref>{{cite web|url=http://www.cria.ca/gold/1005_g.php|title=Gold & Platinum Certification&nbsp;– October 2005|publisher=[[Canadian Recording Industry Association]]|access-date=May 11, 2010|archive-url=https://web.archive.org/web/20101122131024/http://cria.ca/gold/1005_g.php|archive-date=November 22, 2010|url-status=dead}}</ref><ref name="riaa">{{cite web|url=https://www.riaa.com/goldandplatinumdata.php?table=SEARCH|title=RIAA Database Search for Sum 41|publisher=[[Recording Industry Association of America]]|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20070626050454/http://www.riaa.com/goldandplatinumdata.php?table=SEARCH|archive-date=June 26, 2007|url-status=dead}}</ref>

The first single from the album was "[[We're All To Blame]]",<ref>{{cite magazine|first=Michael|last=Endelman|url=http://www.ew.com/article/2004/10/04/chuck|title=Chuck|magazine=[[Entertainment Weekly]]|date=October 4, 2004|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20230419125918/https://ew.com/article/2004/10/04/chuck/|archive-date=April 19, 2023|url-status=live}}</ref> which peaked at number 10 on the Alternative Airplay chart.<ref name="Alternative Airplay">{{cite magazine|url=https://www.billboard.com/artist/sum-41/chart-history/mrt/|title=Sum 41 Chart History (Alternative Airplay)|magazine=[[Billboard (magazine)|Billboard]]|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20230405190255/https://www.billboard.com/artist/sum-41/chart-history/mrt/|archive-date=April 5, 2023|url-status=live}}</ref> It was followed by "[[Pieces (Sum 41 song)|Pieces]]",<ref>{{cite web|first=Joe|last=D'Angelo|url=http://www.mtv.com/news/1493978/sum-41-video-skit-deemed-unsuitable-for-children-band-says-good/|title=Sum 41 Video Skit Deemed Unsuitable For Children — Band Says, 'Good!'|work=[[MTV]]|date=November 19, 2004|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20230423163659/https://www.mtv.com/news/7pc745/sum-41-video-skit-deemed-unsuitable-for-children-band-says-good|archive-date=April 23, 2023|url-status=dead}}</ref> which reached the top of the charts in Canada.<ref>{{cite magazine|url=https://worldradiohistory.com/Archive-RandR/2000s/2005/RR-2005-04-08.pdf|title=R&R Canada CHR/Pop Top 30|magazine=[[Radio & Records]]|issue=1601|page=28|date=April 8, 2005|access-date=October 6, 2019}}</ref><ref>{{cite magazine|url=https://worldradiohistory.com/Archive-RandR/2000s/2005/RR-2005-07-01.pdf|title=R&R Canada Hot AC Top 30|magazine=Radio & Records|issue=1613|page=50|date=July 1, 2005|access-date=October 6, 2019}}</ref><ref>{{cite magazine|url=https://worldradiohistory.com/Archive-RandR/2000s/2005/RR-2005-03-25.pdf|title=R&R Canada Rock Top 30|magazine=Radio & Records|issue=1599|page=62|date=March 25, 2005|access-date=October 6, 2019}}</ref> In 2004, the band went on a co-headlining North American Tour with [[Good Charlotte]].<ref name="North American Tour 2004">{{cite web|first=Joe|last=Dangelo|url=https://www.mtv.com/news/1491247/good-charlotte-sum-41-to-embark-on-co-headlining-trek/|title=Good Charlotte, Sum 41 To Embark On Co-Headlining Trek|work=[[MTV]]|date=September 21, 2004|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20220403050135/https://www.mtv.com/news/1491247/good-charlotte-sum-41-to-embark-on-co-headlining-trek/|archive-date=April 3, 2022|url-status=dead}}</ref> The band joined [[Mötley Crüe]] on their Carnival of Sin summer tour as an opening act.<ref name="Carnival of Sin">{{cite web|first=Gil|last=Kaufman|url=https://www.mtv.com/news/1497652/motley-crue-plan-summertime-carnival-of-sin-with-sum-41/|title=Motley Crue Plan Summertime Carnival Of Sin With Sum 41|work=[[MTV]]|date=March 2, 2005|access-date=April 3, 2022|archive-url=https://web.archive.org/web/20220404023443/https://www.mtv.com/news/1497652/motley-crue-plan-summertime-carnival-of-sin-with-sum-41/|archive-date=April 4, 2022|url-status=dead}}</ref>

A documentary of the band's experience in Congo was made into a film called ''[[Rocked: Sum 41 in Congo]]'' and later aired on [[MTV]].<ref name="Rocked 1">{{cite web|first=Helen|last=Chan|url=http://emptylighthouse.com/sum-41-overcoming-worst-preparing-comeback-1252450918|title=Sum 41: Overcoming the Worst, Preparing for a Comeback|work=Empty Lighthouse Magazine|date=June 2, 2015|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20230409101154/http://emptylighthouse.com/sum-41-overcoming-worst-preparing-comeback-1252450918|archive-date=April 9, 2023|url-status=live}}</ref><ref name="Rocked 2">{{cite web|url=http://www.chartattack.com/news/2005/11/25/sum-41-congo-experiences-on-new-dvd/|title=Sum 41 Congo Experiences on New DVD|work=Chart Attack|date=November 25, 2005|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20180213080427/http://www.chartattack.com/news/2005/11/25/sum-41-congo-experiences-on-new-dvd/|archive-date=February 13, 2018|url-status=usurped}}</ref><ref name="Rocked 3">{{cite magazine|url=https://www.billboard.com/music/music-news/billboard-bits-sum-41-br-danielson-schematics-60532/|title=Billboard Bits: Sum 41, Br. Danielson, Schematics|magazine=[[Billboard (magazine)|Billboard]]|date=November 28, 2005|access-date=April 2, 2022|archive-url=https://web.archive.org/web/20230415160942/https://www.billboard.com/music/music-news/billboard-bits-sum-41-br-danielson-schematics-60532/|archive-date=April 15, 2023|url-status=live}}</ref><ref name="Rocked 4">{{cite web|first=Aubin|last=Paul|url=https://www.punknews.org/article/14644/sum-41-to-release-rocked-sum-41-in-congo-dvd-with-proceeds-to-war-child|title=Sum 41 to release "Rocked: Sum 41 In Congo DVD" with proceeds to War Child|work=Punknews.org|date=November 28, 2005|access-date=February 1, 2023|archive-url=https://web.archive.org/web/20211122093801/https://www.punknews.org/article/14644/sum-41-to-release-rocked-sum-41-in-congo-dvd-with-proceeds-to-war-child|archive-date=November 22, 2021|url-status=live}}</ref> War Child released it on DVD on November 29, 2005, in the United States and Canada.<ref name="Rocked 1"/><ref name="Rocked 2"/><ref name="Rocked 3"/><ref name="Rocked 4"/> Following the album's release, the band went on a tour with [[Good Charlotte]] until 2006.<ref>{{cite magazine|url=https://www.billboard.com/articles/news/66389/good-charlotte-sum-41-teaming-for-tour|title=Good Charlotte, Sum 41 Teaming For Tour|magazine=[[Billboard (magazine)|Billboard]]|date=September 22, 2014|access-date=February 12, 2018|archive-url=https://web.archive.org/web/20141124203353/https://www.billboard.com/articles/news/66389/good-charlotte-sum-41-teaming-for-tour|archive-date=November 24, 2014|url-status=live}}</ref> On December 21, 2005, Sum 41 released a [[live album]], ''[[Happy Live Surprise]]'', in Japan.<ref name="exclaim11">{{cite web|first=Stuart|last=Green|url=http://jam.canoe.ca/Music/2006/03/09/1481647-sun.html|title=Reviews: Sum 41 - 'Go Chuck Yourself'|date=April 2006|access-date=February 1, 2023|archive-url=https://archive.today/20140527184947/http://jam.canoe.ca/Music/2006/03/09/1481647-sun.html|archive-date=May 27, 2014|url-status=usurped}}</ref><ref name="winnipeg13">{{cite web|first=Stuart|last=Green|url=http://exclaim.ca/Reviews/PopAndRock/sum_41-go_chuck_yourself|title=Music: Sum 41 - 'Go Chuck Yourself'|date=April 1, 2006|access-date=February 1, 2023|archive-url=https://web.archive.org/web/20200817155622/http://exclaim.ca/music/article/sum_41-go_chuck_yourself|archive-date=August 17, 2020|url-status=dead}}</ref> The CD contained a full concert recorded live in [[London, Ontario]].<ref name="winnipeg13"/> The same CD was released March 7, 2006, in Canada under the name ''[[Go Chuck Yourself]]''.<ref name="exclaim11"/><ref name="winnipeg13"/> The band played videos before its set that were deemed "unsuitable for children".<ref name="MTV news 2">{{cite web|first=Joe|last=D'Angelo|url=http://www.mtv.com/news/articles/1493978/11192004/sum_41.jhtml|title=Sum 41 Video Skit Deemed Unsuitable For Children&nbsp;– Band Says, 'Good!'|work=[[MTV]]|date=November 19, 2004|access-date=February 1, 2023|archive-url=https://web.archive.org/web/20041208161402/http://www.mtv.com/news/articles/1493978/11192004/sum_41.jhtml|archive-date=December 8, 2004|url-status=dead}}</ref> Controversy arose over some of the videos' violent content.<ref name="MTV news 2"/>