I really liked this episode for a ton of reasons. One would be the father-son-career conflict and just how far out of touch the Professor had become with his son due to his devotion to his passion, Physics. I liked seeing a glimpse of Mac from his past, and to get a piece of the puzzle of his character. I really liked his reaction in the elevator when he flinched away from the bomb...very realistic! I think Professor Ryman really did a good job in his role, especially during the whole bomb sequence. I learned a lot from the competition on locks
and lastly, I would have loved a follow up episode!!