Return of the Ninny/Touchdown Twins/Split Personality Details Casts Title Return of the Ninny/Touchdown Twins/Split Personality Genres Drama Comedy Release Date 1981-02-14 Episode Runtime 00 Hours 48 Minutes Season Number 4 Episode Number 19 Production Companies Aaron Spelling Productions Gavin MacLeod Merril Stubing Bernie Kopell Adam Bricker Fred Grandy Gopher Smith Ted Lange Isaac Washington Lauren Tewes Julie McCoy Jill Whelan Vicki Stubing