Radek mentions winning Dr. Mallozzi's anime DVD collection at chess. Joseph Mallozzi is an executive producer on the show.
Some scenes are revisited multiple times in the episode. On occasion, the dialogue word order, placement of standing characters, and other details are inconsistent. This is a common movie custom, dating back at least to Rashomon (1950), of having different perspectives of an event as often happens in conflicting eyewitness testimony.