Earthquake The gang are trapped in Sam's apartment when an earthquake hits San Francisco. Details Casts Galleries Posters Season Lists Title Earthquake Genres Comedy Family Release Date Episode Runtime 00 Hours 24 Minutes Season Number 2 Episode Number 21 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