When Farooq is threatening Archer in the mainframe, there is a Post-it® on a box behind him on which is written 934TXS. This was the code to defuse the bomb in Skytanic (2010).
Cheryl references Guy Lafleur. Lafleur was a Canadian professional hockey player from 1971-1985 and 1988-1991. He played right wing for the Montreal Canadiens, New York Rangers, and Quebec Nordiques in an NHL career spanning 17 seasons and five Stanley Cup championships. Lafleur was named one of the 100 Greatest NHL Players in history in 2017 - two years after the airing of this episode.