The funniest laugh in 1979’s The Muppet Movie comes right after Kermit and Piggy meet and fall in love. Their moment is interrupted by a big chase in which a car crashes into a billboard and a giant whipped cream pie falls on another car and Gonzo falls out of the sky and goes “I’m back!” . at which point Piggy, who has only just joined the film moments earlier and has not witnessed any.