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Reverting Back - The Big Bang Theory
Watch The Big Bang Theory Season 9 Episode 4
"The 2003 Approximation"
Original Air Date:

On The Big Bang Theory Season 9 Episode 4, with his living arrangements about to change, Sheldon reverts to his 2003 self, before he met Leonard or Penny.

The Flat Tire Incident - The Big Bang Theory
Watch The Big Bang Theory Season 9 Episode 3
"The Bachelor Party Corrosion"
Original Air Date:

On The Big Bang Theory Season 9 Episode 3, the girls force Penny to tell her family that she eloped while the boys are put to the test by a flat tire.

Post Break Up - The Big Bang Theory
Watch The Big Bang Theory Season 9 Episode 2
"The Separation Oscillation"
Original Air Date:

On The Big Bang Theory Season 9 Episode 2, Sheldon films a special episode of "Fun With Flags" after his breakup with Amy, and Leonard tries to ease Penny's mind.

Penny Struggles with Leonard's Confession - The Big Bang Theory
Watch The Big Bang Theory Season 9 Episode 1
"The Matrimonial Momentum"
Original Air Date:

On The Big Bang Theory Season 9 Episode 1, Penny struggles with Leonard's confession, and Sheldon doesn't know how to act after Amy pushes pause on their relationship.

Decision Time - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 24
"The Commitment Determination"
Original Air Date:

On The Big Bang Theory Season 8 Episode 24 Sheldon has to deal with serious changes in his own relationship as he pushes Leonard and Penny to set a date.

The Mothers Visit - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 23
"The Maternal Combustion"
Original Air Date:

On The Big Bang Theory Season 8 Episode 23, Christine Baranski and Laurie Metcalf guest star as Leonard and Sheldon's mothers in "The Maternal Combustion"

Sexy Grads - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 22
"The Graduation Transmission"
Original Air Date:

On The Big Bang Theory Season 8 Episode 22, it's "The Graduation Transmission" has angry dads, sexy grads and the one suggestions that geniuses never want to hear.

The Message - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 21
"The Communication Deterioration"
Original Air Date:

On The Big Bang Theory Season 8 Episode 21, when Raj is asked by NASA to craft a message for the extraterrestrials the guys battle over what it should be.

The Fort Test - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 20
"The Fortification Implementation"
Original Air Date:

On The Big Bang Theory Season 8 Episode 20, Sheldon and Amy come to a serious crossroads in their relationship when they build a blanket fort together.

Ping Pong Battle - The Big Bang Theory
Watch The Big Bang Theory Season 8 Episode 19
"The Skywalker Incursion"
Original Air Date:

On The Big Bang Theory Season 8 Episode 19, Raj and Amy offer to settle an argument for Howard and Bernadette with ping pong, and Leonard and Sheldon take a road trip.

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?