If You Knew Susie Sam tries to alleviate Patti's depression by inviting her girlfriend to visit. Details Casts Galleries Posters Season Lists Title If You Knew Susie Genres Comedy Family Release Date 1987-03-02 Episode Runtime 00 Hours 24 Minutes Season Number 1 Episode Number 18 Production Companies Unknown Pam Dawber... Samantha Russell... Rebecca Schaeffer... Patti Russell... Jenny O'Hara... Dixie Randazzo... Joel Brooks... J.D. Lucas... David Naughton... Jack Kincaid... Original Size (1920x1080) Original Size (1000x1500) Original Size (1000x1500) Season 1 22 Episode(s) 1986-10-06 Season 2 22 Episode(s) 1987-10-03