In 1999, Jim Carrey was filming Man on the Moon, about eccentric comedian Andy Kaufman. He invited his pal Norm Macdonald (RIP) for lunch on the Universal Studios backlot where the iconic Psycho house seen in Hitchcock's classic film still stands.
Hijinks ensued.
In memory of Macdonald who died of cancer on Tuesday. Carey posted a clip of his prank yesterday: