Mystery Science Theater 3000 S03E03 - Pod People

This weeks Invention Exchange: Joel comes up with a way to play music at the end of a concert, Dr. Forester and TV's Frank invent a Karaoke machine loaded with public domain songs. The Experiment for the week that is forced on Joel and his robots is "Pod People".  A B movie about aliens that land in the back woods wilderness and become involved with a family.