Don says he is 5 years older than Charlie. In fact, Rob Morrow was 16 years older than David Krumholtz at the time.
Episode guest star Christina Chang (Val Eng) later played another doctor in The Good Doctor, on which show Alimi Ballard (David Sinclair) guest-starred in an episode.
John Heard (the head Homeland Security agent) played a character with the same first name as his character here (Peter) in both Home Alone and Home Alone 2.
At approx 32:14, David and Megan walk into the room and say good morning to Don. However, the cc said it's Terry saying good morning and not Megan.