Opens with the quote "A Man's real possession is his memory. In nothing else is he rich, In nothing else is he poor." The quote is from Alexander Smith, a Scottish poet of the 19th century.
Sasha Roiz, who portrays Captain Renard, was born in 1973. Louise Lombard, who portrays his mother, was born in 1970.
At 8:22 we see a small plaque next to the door of Octopus Head's hotel room. The plaque bears the number 402 which corresponds to season 4 episode 02.