The Osbournes hop into their DeLorean for a game of Celebrity Time Traveler, try to pronounce a Swedish cryptid's name with poor success, and witness a real witch hunt; Ozzy gets closer to becoming a believer in UFOs.

The Osbournes get the scoop on an extraterrestrial hookup through a dating app; Jack pushes his parents to become believers in ghost pets, desert mermaids, interdimensional green children and ultrafast UFOs.