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The Family Dinner - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 18
"The Leftover Thermalization"
Original Air Date:

On The Big Bang Theory Season 8 Episode 18, the gang has a final family dinner in Mrs. Wolowitz's honor and Leonard is upset when he fails to get credit for a paper he cowrote with Sheldon.

Going to Mars - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 17
"The Colonization Application"
Original Air Date:

On The Big Bang Theory Season 8 Episode 17, Amy realizes that Sheldon has applied for a one-way mission to Mars and Leonard shocks Penny with a special purchase.

The Love Experiment - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 16
"The Intimacy Acceleration"
Original Air Date:

On The Big Bang Theory Season 8 Episode 16, Sheldon and Penny try an experiment designed to make participants fall in love while the rest of the gang tries to escape a zombie.

An Uncanny Resemblance - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 15
"The Comic Book Store Regeneration"
Original Air Date:

On The Big Bang Theory Season 8 Episode 15, Raj and Leonard run into a restaurant customer who looks a lot like actor Nathan Fillion while Stuart reopens his comic book store.

Embarassing Moments - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 14
"The Troll Manifestation"
Original Air Date:

On The Big Bang Theory Season 8 Episode 14, Leonard and Sheldon must take on an online bully when they co-publish a paper and the girls remember embarassing moments.

Sheldon's Experiment - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 13
"The Anxiety Optimization"
Original Air Date:

On The Big Bang Theory Season 8 Episode 13, Sheldon asks all of his friends to challenge him in order to help him make a scientific breakgthrough.

Dress Shopping - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 12
"The Space Probe Disintegration"
Original Air Date:

On The Big Bang Theory Season 8 Episode 12, Wolowitz tries to help distract Raj as he awaits data from his space probe while Sheldon and Leonard go dress shopping with Penny and Amy.

The Clean Room - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 11
"The Clean Room Infiltration"
Original Air Date:

On The Big Bang Theory Season 8 Episode 11, a a Scrooge-like Sheldon buys Amy the worst possible gift while Leonard and Howard scramble to remove a pigeon that flew into the clean room.

Fun With Flags - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 10
"The Champagne Reflection"
Original Air Date:

On The Big Bang Theory Season 8 Episode 10, Sheldon ends up giving a tearful goodby to "Fun with Flags"

Leonard's Surgery - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 9
"The Septum Deviation"
Original Air Date:

Sheldon ends up needing sympathy when Leonard has minor surgery on his nose on The Big Bang Theory Season 8 Episode 9.

We know why you want to watch The Big Bang Theory online. We understand why you would seek to stay up to date on everything surrounding Sheldon, Leonard, Penny, Amy and all others. They are totally hilarious! And they are also involved in many sweet and interesting storyline. That's why you want to watch The Big Bang Theory online and that is why we make it oh so easy for TV Fanatics to do so. We update our episodes section on a weekly basis and we make sure you never fall behind. Sit back and watch The Big Bang Theory online now!

TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

Leonard: Hi. I'm Leonard. You are beautiful. You pop, sparkle and buzz electric. I'm going to pick you up at eight, show you a night you will never forget.
Raj: Where are we going?