While visiting the Tunt manor, Cheryl mentions that she has a pet ocelot named Babou. This is a reference to the Spanish surrealist painter Salvador Dalí, who was well known for owning and frequently traveling with his pet ocelot Babou.
The voice identification system identifies Brett as Brett Buckley. In Archer Vice: White Elephant (2014), he will be referred to as Brett Bunsen.
The helmet worn by Cheryl has a peace-symbol button on it, likely a reference to Full Metal Jacket (1987).
The only episode of the series to receive an 18 certificate in the UK. The reason given was 'contains substance misuse'.