It's taken some time for American Dad to get the respect it deserves, but it stands tall as one of the longest-running and most consistent adult-animated comedies ever made. American Dad has produced some of TV's most surreal and hilarious episodes. However, if there's anything that separates American Dad from other adult animated shows, it would be its series' mascot, Roger the alien.
Source：https://www.cbr.com/american-dad-best-roger-episodes/
