This is the only episode of Peep Show to take place entirely inside the flat. With the episodes "The Test" and "The Party", although the majority of the episode was set inside the flat, they featured at least one scene outside of the flat. See more
Hello, Sarah. Happy Christmas.
It could be, if you play your cards right.
Ugh, not Sarah, not again. Ding Dong Merrily on my dong, the Christmas elves are weeping.