Episode title anagram is "when it's filed away"
The file name "M7G677" is a number previously used for a planet on "Stargate: Atlantis" on which Martin Hero was one of the writers.
The coffee mug in front of Patterson at the start, when she is being questioned by the US Marshall along with Reade and Zapata, is a Critical Role mug. Ashley Johnson, who portrays Patterson, is a principal member of the Critical Role TV series.
Second consecutive episode without "Previously on....".