Leonard, Sheldon and Howard give lectures on science to junior high students. The girls ditch work to go to Disneyland. Raj devises a date for Lucy that fixes their social anxiety problems.
The Big Bang Theory
The Contractual Obligation Implementation
season 6 episode 18
episode aired on march 2013
Episode rating
Cast of episode
57
24
8
4
3
2
1
- Sheldon Cooper
- Bernadette Rostenkowski
- Raj Koothrappali
- Penny
- Howard Wolowitz
- Leonard Hofstadter
- Amy Farrah Fowler
- Lucy
- Bert Kibbler
- Girl #1
- Girl #2
- Justin
- Eye Rolling Girl Student
- Library Graduate Student