The Starlost (1973)

S1E4 The Pisces

Devon, Rachel, and Garth are stirred from their sleep by an announcement about the arrival of the "Pisces." As the crew of the craft finishes connecting, a man and two women step out, introducing themselves as Commander Garroway, Captain Janice, and Navigator Teale. They reveal that they were sent from the ARK a decade earlier to seek new habitats for its inhabitants. Their surprise grows when they discover that the ARK has strayed from its path and that its crew is missing.