Three's Company

The Love Barge (4x11)

Air date: Nov 27, 1979

Jack gets a job on a cruise ship and is invited to take only one guest. He has a choice between Janet and Chrissy and he sure doesn't want to take Lana of all people. So he makes it so Mr. Furley can go on the trip with Lana, who thinks that jack will be on the ship waiting for her.