E1 - Three's a Crowd

Aired: August 15, 1973

Chrissy and Jo throw a farewell party for their flatmate, who's getting engaged and moving out. Next morning, they find Robin asleep in their bath. They're looking for a new flatmate and he is looking for somewhere to live, so the girls ask him to stay, but will their landlords, the Ropers, agree to the new arrangement ?

E2 - And Mother Makes Four

Aired: August 22, 1973

Chrissy's mother is about to pay a visit. She doesn't know Robin is living in the flat, so he's told to make himself scarce, but as she's staying the night, where will he sleep ?

E3 - Some Enchanted Evening

Aired: August 29, 1973

Jo's new boyfriend is coming to the flat for a meal. Robin is persuaded to cook, then leave with Chrissy to spend the evening playing monopoly with the Ropers. They learn that Jo's boyfriend is Jewish - and Robin has cooked roast pork for their meal!

E4 - And Then There Were Two

Aired: September 05, 1973

Chrissy is very nervous when Jo goes away for the weekend and leaves her alone in the flat with Robin. He brings a woman back, but Chrissy becomes jealous...

E5 - It's Only Money

Aired: September 12, 1973

The rent is due and the money put aside to pay it has disappeared from the flat. Robin, Chrissy and Jo have to find a way of getting some cash quickly.

E6 - Match of the Day

Aired: September 19, 1973

Robin has been picked to play in a college football match. A few days before the game, he goes down with a bad cold. Chrissy and Jo rally round in an attempt to help him to recover in time to play.

E7 - No Children, No Dogs

Aired: September 26, 1973

Robin acquires a puppy. The lease on the flat says 'no pets', so Roper mustn't find out.