For Roger's birthday, he begs the Smith family to "roast" him. However, Roger is incredibly sensitive to criticism and takes the family's jokes personally. Devastated and vengeful, he goes on a murderous rampage, attempting to kill each family member. The Smiths are forced to flee to a space station to escape his wrath, leading to a high-stakes confrontation in orbit.
The episode guide for refers to the season finale titled "Great Space Roaster." Episode Overview Title: Great Space Roaster Original Air Date: May 16, 2010 Director: Joe Daniello Writers: Jonathan Fener & Elias Kiray Plot Summary American Dad! - Season 5Eps20
The episode shifts from a standard comedy to a parody of slasher and sci-fi horror films as Roger hunts the family. For Roger's birthday, he begs the Smith family