Find out when The Big Bang Theory is airing on TV tonight and this week at the American TV Listings Guide.
The Big Bang Theory is scheduled to air at these times:
The men compete in the university's lighthearted physics bowl, but Sheldon's much-too-serious attitude forces them to replace him with his nemesis, Leslie Winkle.
More details for The Big Bang Theory, Wed 1, 7:30 pm
Amy's heart is broken when Penny and Bernadette shop for wedding dresses and don't invite her.
More details for The Big Bang Theory, Thu 2, 1:00 am
Leonard and Penny attempt to hang out alone; and Sheldon tries to overcome his fear of birds.
More details for The Big Bang Theory, Thu 2, 7:00 pm
The guys buy a time-machine prop from a '60s movie and Penny ridicules their preoccupation with toys, which forces Leonard to reexamine his life and maturity.
More details for The Big Bang Theory, Thu 2, 7:30 pm
Leonard and Penny attempt to hang out alone; and Sheldon tries to overcome his fear of birds.
More details for The Big Bang Theory, Fri 3, 1:00 am
Sheldon becomes jealous when Stuart from the comic-book store asks Amy out on a date, and Sheldon's forced to reconsider his relationship with Amy.
More details for The Big Bang Theory, Fri 3, 7:00 pm
The friends all fall for Sheldon's sister and Leonard comes up with a plan to get rid of his rivals, but Sheldon announces that he will decide whom his sister dates.
More details for The Big Bang Theory, Fri 3, 7:30 pm
Sheldon becomes jealous when Stuart from the comic-book store asks Amy out on a date, and Sheldon's forced to reconsider his relationship with Amy.
More details for The Big Bang Theory, Sat 4, 12:00 am
In the fourth-season finale, Raj moves in with Sheldon when Leonard and Priya's "Star Trek" bedroom fantasy is too much for him; and the guys tease Howard when Bernadette gets her PhD, making Howard the only one without a doctorate.
More details for The Big Bang Theory, Sat 4, 7:30 pm
Amy and Bernadette accuse former party girl Penny of becoming a party pooper when she lets an email from work impact their girls' weekend in Las Vegas. Meanwhile, the guys brainstorm about inventing something cool, but their heads just don't appear to be totally into it.
More details for The Big Bang Theory, Sun 5, 8:00 pm
Sheldon and Raj undertake an underground research expedition that turns into a test of how long before they get under each other's skin. Meanwhile, Leonard and Penny argue about money, and go to Wolowitz and Bernadette for advice.
More details for The Big Bang Theory, Sun 5, 8:30 pm
Amy's heart is broken when Penny and Bernadette shop for wedding dresses and don't invite her.
More details for The Big Bang Theory, Mon 6, 12:30 am
Amy and Bernadette accuse former party girl Penny of becoming a party pooper when she lets an email from work impact their girls' weekend in Las Vegas. Meanwhile, the guys brainstorm about inventing something cool, but their heads just don't appear to be totally into it.
More details for The Big Bang Theory, Mon 6, 1:00 am
The men compete in the university's lighthearted physics bowl, but Sheldon's much-too-serious attitude forces them to replace him with his nemesis, Leslie Winkle.
More details for The Big Bang Theory, Mon 6, 1:00 am
Sheldon and Raj undertake an underground research expedition that turns into a test of how long before they get under each other's skin. Meanwhile, Leonard and Penny argue about money, and go to Wolowitz and Bernadette for advice.
More details for The Big Bang Theory, Mon 6, 1:30 am
Leonard confronts his fears when he's contacted by a bully who tormented him in high school.
More details for The Big Bang Theory, Mon 6, 7:00 pm
Penny's plans for a surprise birthday party for Leonard, who doesn't usually mark the occasion, get thrown off-kilter when Sheldon gets a chance to live out one of his biggest dreams.
More details for The Big Bang Theory, Mon 6, 7:30 pm
Leonard confronts his fears when he's contacted by a bully who tormented him in high school.
More details for The Big Bang Theory, Tue 7, 1:00 am
Sheldon hurts Amy's feelings, and Penny gives him advice on how to be a better boyfriend; and Howard comes to terms with the fact that Bernadette isn't fond of children.
More details for The Big Bang Theory, Tue 7, 7:00 pm
In the first-season finale, Leonard asks Penny out on a date after she breaks up with her boyfriend. To prepare for the big night, Leonard practices the date the day before with the guys.
More details for The Big Bang Theory, Tue 7, 7:30 pm