Youngbloods is the second album by Gympie post-hardcore band, The Amity Affliction. It was released on June 18, 2010 through Boomtown Records. It debuted at number 6 on the ARIA Charts. Grammy-nominated producer Machine produced Youngbloods. The drums were tracked at Breakwater Music Studio in Hazlet, NJ. All other tracks were recorded at the Machine Shop in Weehawken, NJ. This is the first and the only record to feature guitarist, Clint Owen Ellis, where Troy Brady temporarily switched to rhythm guitar for Ellis to take the lead. It's also the last record that features keyboardist, Trad Nathan.
US pop-punk band Four Year Strong contribute to the gang vocals on "I Hate Hartley". Helmet Roberts does guest vocals on "Fuck the Yankees". "15 Pieces of Flare" is a bonus track that comes with the iTunes download of the album. Prior to the release of Youngbloods, the band updated their website with updates on their writing and recording process with Machine.