Beakman has Lester try to karate chop a board and it doesn't break. Phoebe comes and does it and breaks the board. They do a slow motion replay and explain the science behind it.
In this clip, In case to find out the identity of the hostage, Charlie ran a match analysis between artistic pieces of several missing artists and the work seen in the counterfeit money
Monica gifts Richard with a framed picture of the text message he sent her, but Richard discovers a comma missing in the picture. Richard sent four but Monica only received three. He realizes this means the message being sent is bypassing encryption because their AI broke it.