SNEAK PEEK: Season Finale – Operation P.R.O.M. November 9, 2010 Adult Swim Share Tweet Pin Subscribeshares Released on Adult Swim is a teaser of the Venture Bros. Season Finale of “Operation P.R.O.M.” The Season Finale will be an hour-long extravaganza and will air on Sunday, November 21st at 11:30pm on Adult Swim. Operation: P.R.O.M.PreviewSeason FinaleThe Venture Bros.The Venture BrothersVenture Brothers Related Posts Venture Bros. Panel and Signing at NYCC 2016 Venture Bros. Season 6 on Blu-Ray and DVD – October 4 Music of The Venture Bros. Volume Two Announced