S05E08: Farnsworth's Fling/Gopher Farnsworth Smith/Three in a Bed/Merrill, Melanie & Melanesia/I Remember Helen (1)

The crew is in Australia to work on one of the cruise line's ships based there. And a wealthy man named Farnsworth (Lloyd Bridges) has decided to invite his whole family for a reunion, but in actuality he wants to see who, among them he should keep in his will.