The Lost Saucer - "The Tiny Years"

The saucer lands in a time when all inhabitants on the planet are shrunken. And they distrust anyone who is bigger than them.

The Lost Saucer is an ABC television series produced by Sid and Marty Krofft, starring Ruth Buzzi and Jim Nabors as hapless aliens who take a boy and his babysitter with them on their flying saucer. It aired new episodes from September to December 1975, with reruns continuing until December 1976.