Trivia: The glyph code for this episode is GUILT.
Walter: Why are these mice shooting at us?
The animated sequence where Walter remembers the password is an homage to Monty Python's Flying Circus' famous non sequitur animated openings. It was produced by Brendan Burch and directed by Greg Franklin (of animation studio 6 Point Harness), who wanted to make a tribute to the original animator, Terry Gilliam.
Music: The Pusher (Steppenwolf), Hurdy Gurdy Man (Donovan), The Happy Wanderer (Frank Weir), Carmen Suite no. 2: Habanera (Georges Bizet)
Blair Brown is credited as Special Appearance By.
Canada: December 14, 2012 on Citytv
UK: December 19, 2012 on Sky1
Finland: March 5, 2014 on MTV3