High Quality Content by WIKIPEDIA articles! American Dad!`s fourth season originally aired on the Fox network from September 28, 2008 to May 27, 2009. The season consisted of twenty episodes and was released as two DVD box sets and in syndication. American Dad! follows the dysfunctional Smith family—father Stan, mother Francine, daughter Hayley, son Steve, the pet fish Klaus, and alien Roger, all of whom reside in their hometown of Langley Falls, Virginia. The fourth season, which premiered with the episode "1600 Candles" and ended with "Stan`s Night Out", was executive produced by David Zuckerman, Kenny Schwartz, Rick Wiener, Richard Appel, Matt Weitzman, Mike Barker, and series creator Seth MacFarlane. Weitzman and Barker served at the season`s showrunners.