Coffee, Tea, or Jack is the twenty-fifth and finale episode of Season 2 of Three's Company, and the thirty-first overall episode of the series. Directed by Bill Hobin and co-written by Madeline Di Maggio and Kathy Donnell, it first aired 16 May 1978 on ABC.
Summary[]
Susan Walters, an old flame of Jack's who broke his heart in the past, shows up at the apartment. Chrissy and Janet were preparing a surprise birthday party for Jack to be held at the Ropers'. Susan, unaware of Jack's birthday, tells him she showed up to celebrate. Jack wants to set things straight with Susan regarding the past, but she turns on the charm and goes out on a date with Jack. Realizing she might break his heart again, Janet and Chrissy concoct a plan to pry Jack away from Susan so he could join them at the party.