. "Random's Arrival"@en . . . "250"^^ . "Random's Arrival is the double-length premiere episode of Out of the Blue, which guest-stars Robin Williams as Mork."@en . "Random's Arrival"@en . "1979-09-09"^^ . . "Random's Arrival is the double-length premiere episode of Out of the Blue, which guest-stars Robin Williams as Mork."@en . .