Reverting Back - The Big Bang Theory

Sheldon decides to revert back to life in 2003 on The Big Bang Theory. "The 2003 Approximation" is the fourth episode of the show's ninth season.
Added:

The Flat Tire Incident - The Big Bang Theory

The boys are must figure out what to do when they get a flat tire on The Big Bang Theory. "The Bachelor Party Corrosion" is the third episode of the show's ninth season.
Added:

What Now? - The Big Bang Theory Season 9 Episode 2

Sheldon and Leonard have a lot to talk about, having both made some major changes with their relationships. Maybe they'll both feel better with a nice hot beverage.
Added:

Oh Leonard, What Did You Do? - The Big Bang Theory Season 9 Episode 2

Penny and Sheldon both look like they're upset with Leonard on The Big Bang Theory Season 9 Episode 2. In trying to fix things did he only manage to make them worse?
Added:

Penny Doesn't Look Pleased - The Big Bang Theory Season 9 Episode 2

We're ready for Penny and Leonard to be able to enjoy their time as newlyweds. By the looks of this photo, that isn't going to be happening just yet.
Added:

Take a Break - The Big Bang Theory Season 9 Episode 2

The guys take a break to talk things over while looking at a comic book or two on The Big Bang Theory Season 9 Episode 2. Leonard's idea to ease Penny's mind may or may not help, but will Howard and Raj have any insight?
Added:

Bernadette and Howard - The Big Bang Theory Season 9 Episode 2

These two have remained our stable couple for seasons now. Might Bernadette and Howard have some advice to give their newlywed friends (or their recently broken-up ones)?
Added:

This is NOT a Flag - The Big Bang Theory Season 9 Episode 2

Sheldon finds a red bra on The Big Bang Theory Season 1 Episode 2, and it isn't sure what to do with it. No, it doesn't seem like it's Penny's, either.
Added:

Special Edition of Fun with Flags! - The Big Bang Theory Season 9 Episode 2

On Sheldon's special edition of Fun with Flags, he insists that he doesn't need Amy's help for anything. What he needs to be doing instead is trying to win her back, but hopefully he'll come to that realization soon.
Added:

Working Things Out? - The Big Bang Theory Season 9 Episode 2

Yes,, Penny and Leonard got married. But that was followed by a fight about their unresolved issues. On The Big Bang Theory Season 9 Episode 2, Leonard has plans to ease Penny's mind, which may or may not do the trick.
Added:

Does Sheldon Have a Plan? - The Big Bang Theory Season 9 Episode 2

Sheldon seems to be telling Penny and Leonard some good news. Likely, that news is about the special episode of "Fun With Flags" that he's planning.
Added:

A Confrontation - The Big Bang Theory Season 9 Episode 2

On The Big Bang Theory Season 9 Episode 1, Amy officially called things off with Sheldon. So what will happen next for these two? Both are hurt, and they still share the same circle of friends.
Added:

The Big Bang Theory Season 9 Quotes

Some important new information has come to light. Women are the worst. I thought it was paper cuts, but I was wrong. No piece of paper ever cut me this deep.

Sheldon

Whatever. Put us on the internet. I've always wanted a wedding with a comments section.

Penny