Mountain Family Robinson (1978)
Pure 1978 cheese! I've always laughed at this movie, and it really deserves the RiffTrax treatment. It so corny. The daughter drives me crazy with her pigtails and bell bottoms, and the son is almost worse with his name (Toby) and his red hair to match. Why hasn't this been riffed yet? Oh, and the poster looks like such a Star Wars knock off - it even says, "the will to live!"