1x10: The Understudy
1x08: The Second Coming
1x07: The New World
1x06: Acceptable Limits
4x09: Episode 409
4x08: Episode 408
4x07: Episode 407
4x06: Episode 406
4x05: Episode 405
4x04: Episode 404
4x03: Episode 403
4x02: Episode 402
4x01: Episode 401
3x09: Episode 309
3x08: Episode 308
3x07: Episode 307
