Bryan Cranston has voiced characters in 2 episodes of American Dad! (a satirical American cartoon series) to date. Firstly back in the shows first season in 2005 and then earlier this year.
Season 1 Episode 15 – Star Trek – November 27, 2005 – voiced Bill Publisherman
[flv:https://www.malcolminthemiddle.co.uk/video/bryan/Bryan-Cranston-American-Dad-1×15-MITMVC.flv 550 400]
Season 5 Episode 11 – A Jones for a Smith – January 31, 2010 – voiced Mr. Winthrop
[flv:https://www.malcolminthemiddle.co.uk/video/bryan/Bryan-Cranston-American-Dad-5×11-MITMVC.flv 550 300]