We have added pictures from tonight's new episode of The Big Bang Theory, "The Positive Negative Reaction", to our gallery. In the episode, the gang celebrates the news that Bernadette is pregnant with a round of karaoke. Meanwhile, Bernadette is concerned when Howard freaks out about the pregnancy after realizing he must make more money to take care of a family.

We have added pictures from this week's episode of The Big Bang Theory, "The Valentino Submergence", to our gallery. In the episode, Sheldon and Amy host a live special Valentine's Day episode of Fun with Flags, Leonard and Penny struggle with getting older, Howard and Bernadette find something unexpected in their hot tub, and Raj feels torn between Emily and the girl he met at the comic book store.

We have added pictures from the next episode of The Big Bang Theory, "The Sales Call Sublimation", which airs this Thursday, January 7 to our gallery. Jane Kaczmarek (Malcolm in the Middle) guest stars in the episode.

We have added pictures from the next episode of The Big Bang Theory, "The Mystery Date Observation", which airs this Thursday to our gallery. In the episode, Howard and Raj help Sheldon post an online advertisement in search of a new girlfriend, while Penny and Bernadette spy on Amy to find out about the new guy she is dating.

We have added pictures from this week's new episode of The Big Bang Theory, "The Spock Resonance", to our gallery. Adam Nimoy, son of the late actor Leonard Nimoy, appears in the episode. Wil Wheaton guest stars and Casey Sander returns as Bernadette's father, Mike Rostenkowski.