South ParkS10 E113 Serial Killers
One of Satan's demons summons the spirits of Jeffery Dahmer, John Wayne Gacy and Ted Bundy. He orders them to pick up Satan's Ferrari cake.
South ParkS10 E11Where's My Ferrari Cake?
Satan gets jealous of Zazul's costume and wants to trade. Meanwhile, the three serial killers pick up the Ferrari cake.
South ParkS10 E11The Three Murders
The Ferrari cake is destroyed as the serial killers argue about how to get rid of a dead body.