I really enjoyed this episode. I guess it is because I love clues and it was like I was reading a Dan Brown book or watching the National Treasure movie... with an amazing cast of course. I liked how Pete and Neal were back to normal. Even when Neal has his own business and is pursuing it, he supported the FBI full time until the case is closed... Of course I know that he does not want anyone to suspect about his little secret. Tim and Matt's chemistry is unique.
Two things I enjoyed: Diana's woman behind Peter and Elizabeth's love, support and chemistry with, yes, Peter. I liked the scenes and I think they played well.
It was good to see Anna Chlumsky back. I hadn't seen her in anything since her "My Girl" roles. I just hope her mistake of letting it all out to Neal is just another step that Peter has taken forward to get what he wants.
I hope he's not disappointed.