Robert Picardo's character, Dr. Edwin Woolsey, shares the same surname as his recurring character in Stargate SG-1 (1997), Richard Woolsey, a member of the International Oversight Advisory (IOA).
Films mentioned:
- Groundhog Day (1993) - a day in February (February 2 or Groundhog's day) keeps repeating until the lead character comes to a realization
- Rashomon (1950) - a crime as witnessed and interpreted from the perspective of different individuals
- The Longest Day (1962) - initially thought by Addison to be an important clue in Dr. Woolsey's notes to the identity of the saboteur, until Ben points out to her that it was the title of a film released in a few days that Woolsey probably was planning to see, namely D-Day or the Invasion of the Normandy coast of France that would lead to the conclusion of the Second World War
The row of multiple light consoles shown at the front of the control room appears to be 4 IBM 360 Model 60 diagnostic consoles.
The title, "Leap, Die, Repeat" is a play on the tagline from the Tom Cruise and Emily Blunt film, Edge of Tomorrow (2014) (" Live, Die, Repeat"). That film also features characters who reset to a point in time after they're been killed. The phrase in turn, is a variation of the instructions found on hair care products used while bathing, namely "Lather, Rinse, Repeat".