Three's Company (1977)

Season 6: Episode 26

Jack & Janet sign up for a computer dating service, and both decide to lie on the application. Little do they know the computer has set them up together. They decide to go ahead with the date, but Terri thinks that they went out with each other behind her back. Larry tries to clarify the whole situation without knowing the whole truth himself causing Jack and Janet to believe he is making a play for Terri. The race is on to sort through their tangled stories to find the real truths.