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Big Bang Scene
Watch The Big Bang Theory Season 3 Episode 23
"The Lunar Excitation"
Original Air Date:

Blossom alert! Former sitcom star Mayim Bialik guest stars on the season finale as a potential love interest for Sheldon.

Nerdy Flashback
Watch The Big Bang Theory Season 3 Episode 22
"The Staircase Implementation"
Original Air Date:

Leonard tells Penny the story of how the apartment elevator broke through a series of flashbacks.

Judy Greer on Big Bang Theory
Watch The Big Bang Theory Season 3 Episode 21
"The Plimpton Stimulation"
Original Air Date:

Sheldon has a female physicist, Dr. Plimpton (Judy Greer) spend the night at the apartment.

Back from Disney Land
Watch The Big Bang Theory Season 3 Episode 20
"The Spaghetti Catalyst"
Original Air Date:

After Penny and Leonard break up, Sheldon goes behind Leonard's back to hang out with Penny.

Nerd Bowl Off
Watch The Big Bang Theory Season 3 Episode 19
"The Wheaton Recurrence"
Original Air Date:

Sheldon goes up against his nemesis, Wil Wheaton at the bowling alley while Leonard and Penny have their own fight.

Sheldon Cooper, No Pants
Watch The Big Bang Theory Season 3 Episode 18
"The Pants Alternative"
Original Air Date:

When Sheldon is forced to give an acceptance speech for an award he received, he must overcome his stage freight.

Sheldon as Gollum
Watch The Big Bang Theory Season 3 Episode 17
"The Precious Fragmentation"
Original Air Date:

When the guys buy a Lord of the Rings ring from a garage sale, they all begin to covet their precious.

Stan Lee on The Big Bang Theory
Watch The Big Bang Theory Season 3 Episode 16
"The Excelsior Acquisition"
Original Air Date:

Sheldon misses his chance to meet comic book creator Stan Lee when he's stuck in traffic court over a ticket that Penny got him.

Leonard Gives Penny Swiss Hints
Watch The Big Bang Theory Season 3 Episode 15
"The Large Hadron Collision"
Original Air Date:

When Leonard is giving a plus one to go to Switzerland to see the Large Hadron Collider on Valentine's Day, Sheldon tries to convince Leonard to take him over Penny.

What's the Answer?!?
Watch The Big Bang Theory Season 3 Episode 14
"The Einstein Approximation"
Original Air Date:

Sheldon gets a job at the Cheesecake factory to help his solve a theory; Leonard and Wolowitz steal Raj's idea for a double date.

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

I was expecting applause but I suppose stunned silence is equally appropriate.

Sheldon

Sheldon: Nothing more fun than a paradigm shifting evening of science.
Penny: (to Leonard) And you thought it was soaping me up in the shower.