Leonard gets the opportunity to work with award-winning scientist David Underhill. He's intelligent, cool, smart and handsome - which soon renders Leonard jealous when he takes an interest in Penny. Meanwhile, Sheldon must devise a means of reciprocating Penny's Christmas gift.
Not all programmes are available on 4oD. Please see our FAQs.
On TV
First Shown
| Date | Time | Channel |
|---|---|---|
| Tuesday 31 March 2009 | 11.05PM | Channel 4 |
Last Shown
| Date | Time | Channel |
|---|---|---|
| Thursday 26 March 2009 | 9.30PM | E4 |
