The 1970-1971 television series, Four-in-One (1970), rotated four separate shows: Rod Serling's Night Gallery (1969), McCloud (1970), San Francisco International Airport (1970) and The Psychiatrist (1970). Two series were renewed for the 1971-1972 season, with "McCloud" becoming the most popular and longest running.
Was spoofed by Mike and the Bots on Mystery Science Theater 3000. Season 7, episode 14 on November 19, 1994.