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The Lost Saucer (1975)
Two time-traveling robots (who seemed to be lost most of the time) arrive in 1970s Chicago, and panicked by crowd descending on them, take off in their flying saucer–and find a boy and his babysitter still aboard.

 
 

Episodes:

FilenameAir DateHave
The Lost Saucer (1975) - s01e16 - Land of the Talking Plants 12/20/75
The Lost Saucer (1975) - s01e15 - Polka Dot Years 12/13/75
The Lost Saucer (1975) - s01e14 - Fi Am Woman 12/06/75
The Lost Saucer (1975) - s01e13 - Planet of Lookalikes 11/29/75
The Lost Saucer (1975) - s01e12 - Fat is Beautiful 11/22/75
The Lost Saucer (1975) - s01e11 - The Laughing Years 11/15/75
The Lost Saucer (1975) - s01e10 - Return to the Valley of the Chickaphants 11/08/75
The Lost Saucer (1975) - s01e09 - Valley of the Chickaphants 11/01/75
The Lost Saucer (1975) - s01e08 - Androids Come Home 10/25/75
The Lost Saucer (1975) - s01e07 - Get a Dorse 10/18/75
The Lost Saucer (1975) - s01e06 - Where Did Everybody Go 10/11/75
The Lost Saucer (1975) - s01e05 - Beautiful Downtown Atlantis 10/04/75
The Lost Saucer (1975) - s01e04 - Transylvania 2300 09/27/75
The Lost Saucer (1975) - s01e03 - My Fair Robot 09/20/75
The Lost Saucer (1975) - s01e02 - The Tiny Years 09/13/75
The Lost Saucer (1975) - s01e01 - 894X2RY713, I Love You 09/06/75