Here's the full episode of Season 1, Episode 17 of American Dad, Rough Trade! 

Plot: After Stan and Roger have a rough day, they get into a fight that leads to a switch where they get a taste of life in each other's shoes. After the excitement of a new life goes stale, they face each other's problems - Roger is under pressure at work, and Stan yearns to be needed. The swap gets out of hand as the family starts to crumble.