And Mother Makes Four
Chrissy's visiting mother, not knowing that the girls have rented the spare room to Jack, causes havoc when she decides to spend the night with them.
- While Jack Tripper is moving in to share the apartment with Janet and Chrissy, Mrs. Snow, Chrissy's mother, phones to announce that she will be there in moments. Chrissy, whose father is a minister, panics at the news that her mother is coming. Janet is elected to take Jack to the local pub and keep him there until Mrs. Snow departs. As the evening lengthens, Chrissy's mom decides to spend the night.