After a colleague is forced into retirement, Sheldon wants to claim the office but finds himself in conflict with his nemesis, Kripke. In order to resolve the dispute, they decide to enter into a challenge ... a basketball competition. The scene of these two trying to outdo each other in the gymnasium is hilarious.
Amy gives Penny a giant portrait of the two of them. Between being large and unattractive, the gift just unnerves Penny. When Amy realizes she doesn't like it, she gets very upset, but Penny is able to cover things over by claiming that she took the painting down because Bernadette was jealous.