But if Hitler is here, does that mean mahjong has already been invented?
Up next: Groucho gets trucked, and has to fight Karl (who as usual is trying to drink his way to utopia) to rescue Harpo. Ultimately resolved by Richard, who sacrifices his Grammy to restore the timeline. The catch? They all get sent to Bernard's universe, where the man-machine fusion of Ford and Freud reigns supreme over all.