Simon Helberg
‘The Big Bang Theory’s’ Season Finale: Pictures From ‘The Commitment Determination’ Episode

The Big Bang Theory is full of surprises in its Season 8 finale. Here’s a sneak peek of some scenes along with spoilers.

Matt Bennett, Playing Howard’s Brother Josh on ‘The Big Bang Theory’: 5 Fast Facts You Need to Know

WATCH: Interview With ‘The Big Bang Theory’s’ Wil Wheaton

‘The Big Bang Theory’ ‘The Fortification Implementation’: Episode Pictures

‘Big Bang Theory’ April 2 Episode, ‘The Skywalker Incursion’: Pictures

Carol Ann Susi, Who Played Howard Wolowitz’s Mother: 5 Fast Facts You Need to Know

Carol Ann Susi was the actress who played Howard Wolowitz’s mother by providing her with an unforgettable voice. The Big Bang Theory remembers her tonight.

‘The Big Bang Theory,’ ‘The Leftover Thermalization’ Episode: Pictures

‘The Big Bang Theory’ ‘The Colonization Application’ Episode Pictures

‘The Big Bang Theory’ T-Shirts: Top 5 to Buy on Amazon

‘The Big Bang Theory,’ ‘The Comic Book Store Regeneration’ Episode Pictures

‘The Big Bang Theory’ Christmas Episode, ‘The Clean Room Infiltration’: Spoilers

The Big Bang Theory airs its Christmas episode on December 11. Amy throws a Christmas party and the boys deal with a work mishap.

‘The Big Bang Theory’ Christmas Episode, ‘The Clean Room Infiltration’: Spoilers & Pictures

‘The Big Bang Theory’ ‘The Champagne Reflection’ Episode: Spoilers & Pictures

Sheldon & Amy: The Season 8 Pictures You Need to See

Kara Luiz, Howard’s Cousin Jeanie on ‘The Big Bang Theory’: 5 Fast Facts You Need to Know

‘The Big Bang Theory’ ‘The Prom Equivalency’ Episode: Spoilers & Pictures

‘The Big Bang Theory’ ‘The Misinterpretation Agitation’ Episode: Spoilers & Pictures

‘The Big Bang Theory’ ‘The Prom Equivalency’: The Episode’s Pictures You Need to See

‘The Big Bang Theory’ Moves to Thursday: Spoilers for the Rest of Season 8

Stuart on ‘The Big Bang Theory’: The Pictures You Need to See

Kevin Sussman is comic book store owner Stuart on The Big Bang Theory. On Season 8, he’s living with Wolowitz’s mother. Here are the character’s best moments.

Bernadette on ‘The Big Bang Theory’: The Pictures You Need to See

Leonard Hofstadter on ‘The Big Bang Theory’: The Pictures You Need to See

Amy Farrah Fowler on ‘The Big Bang Theory’: The Pictures You Need to See

Kaley Cuoco-Sweeting: 5 Fast Facts You Need to Know

Penny on ‘The Big Bang Theory’: The Pictures You Need to See

On The Big Bang Theory, Penny is Sheldon and Leonard’s neighbor, helping the physicists understand women. Here are her best pictures over the eight seasons.

SPOILERS: ‘The Big Bang Theory’ –‘The Focus Attenuation’: Season 8, Episode 5

‘The Big Bang Theory’ — ‘The Hook-Up Reverberation’ Episode Recap: Top 5 Spoilers

‘The Bang Theory’ Season 8 Premiere Recap: Top 10 Spoilers

Sheldon Cooper on ‘The Big Bang Theory’: The Pictures You Need to See

Laura Spencer, Emily on ‘The Big Bang Theory’: 5 Fast Facts You Need to Know

Laura Spencer plays Emily, Raj’s love interest on The Big Bang Theory. She is back in Season 8, which begins on September 22.