I really enjoyed this episode and especially liked the fact that the episode centered around Colby. I felt like there were 2 main character developments in this episode from:
1- Being a relatively new member of the team (I know season 2 but whatever) it was nice to see more of him. Although he has been in the programme for an entire season it was this episode that made it happen for him. I hope to see more of him in later episodes.
2-I like the idea of Charlie getting jealous and upset at the fact that Larry didn't go to him for the math of Larry's published article. It made the character seem vulnerable which was a new thing to see.