
MTV is a global youth culture brand inspired by music. It’s online hub MTV.com is a leading destination for music, news and pop culture.

Wolowitz has a meeting with Colonel Williams, a representative from the Air Force Department of Material Command.

Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feelings about her pregnancy.

After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.

Leslie must choose between Ben and her dream of running for office; Ann dispenses medical advice; Ron gets ready for the return of Tammy One.

Leslie has to get involved when Ron's first wife re-enters his life and starts controlling him; Ben helps Tom with his new company; Ann makes a public service announcement with Chris.

Leslie promotes her new book; Ann tries to bond with Ron and April.

In retaliation to Ron's "guys-only" wilderness group, Leslie takes the women on an adventure weekend; Ben is forced into joining Donna and Tom for a day of relaxation; Chris spends time with Jerry.

April and Andy throw a Halloween party, to Ben's dismay; Tom promotes his company while emceeing a campaign event for Leslie; Ron and Ann give Andy and April an unusual gift.