A Black Letter Day is the thirteenth episode of Season 4 of Three's Company, and the 66th overall episode of the series. Prepared for TV as a teleplay penned by Kim Weiskopf and Michael S. Baser from a story written by Mark Chambers, and directed by Dave Powers, it first aired 11 December 1979 on ABC.
Summary[]
When Lana reads a letter in the advice column in the paper about a man living with two women and having an affair with one of them she decides that it's the trio. She confronts Janet with the letter and insinuates that it's Jack and Chrissy. She then talks to Chrissy and decides that it's Janet and Jack. She sees Larry at The Regal Beagle, shows him the letter, and leaves when Jack arrives. Jack finally reads the letter and decides to teach the girls a lesson but it doesn't work because the girls have finally figured out that it isn't them at all.
Trivia[]
- Don Knotts (Mr. Furley) is credited, but does not appear.
- This episode marks the final appearance of Ann Wedgeworth, the shortest stint of any of the series' regulars, with only thirteen credited episodes. However, Wedgeworth only appears in nine of these episodes.