At the end of the episode, House and Wilson get on the elevator on the right side but come out of the elevator on the left.
When Wilson comes into House's office to talk about returning the videos, House's computer screen is black despite the apple being lit up indicating that the screen is on.
Chase says that he acted like a tosser which is a euphemistic expression for being rude and insufferable in British English. An Australian would not use the word tosser, rather wanker. Perjoratively they are equivalent phrases, but it is not the turn of phrase an Australian would use.