- Seth MacFarlane (Stan Smith / Roger (voice))
- Wendy Schaal (Francine Smith (voice))
- Rachael MacFarlane (Hayley Smith (voice))
- Scott Grimes (Steve Smith (voice))
- Dee Bradley Baker (Klaus (voice))
American Dad! — S9E19
Episode: Da Flippity Flop
Air Date: 2013-05-12
Runtime: 22 min
Overview
When Stan refuses to switch Klaus back into his original body, he steals Stan's body; Roger builds a gym in the attic.