Provider: Eastern (ET) Change
After his barber is hospitalized, Sheldon undergoes a hair-raising change in lifestyle as his carefully planned daily routines are thrown for a loop. Meanwhile, Howard is up in the air about continuing his astronaut training.
Raj may have found his soul mate after his parents set him up on a date. Meanwhile, Sheldon thinks he's going out of his mind when he begins hearing the voice of Spock (Leonard Nimoy) after he breaks Leonard's "Star Trek" collectible.
When NASA reschedules the launch of Howard's mission, the countdown to his wedding with Bernadette is put on hold, leaving him to deal with an irate father of the bride. Meanwhile, Leonard's pillow talk with Penny leaves her steaming.
The fifth season ends with Howard and Bernadette deciding to get married before his NASA mission, causing the gang to scurry into overdrive in an effort to stage the wedding. NASA astronaut Mike Massimino has a cameo as himself.
Season 6 blasts off with Wolowitz in space, and despite that, he still has to intervene in an earthbound argument between his mother and Bernadette. Meanwhile, all Raj's friends are on dates, leaving him to ponder a solution to his loneliness.