Sheldon isn’t getting over his breakup with Amy, and directs his hurt feelings at her in the latest episode of his show "Fun with Flags." Amy is understandably upset when she sees the episode and goes to confront him.

The English language has changed in many ways over the centuries, but the internet has changed it in just a few decades. Why use a whole sentence when an abbreviation will do?

Not long ago, in Welsh schools, the pupils weren’t allowed to speak their native language, Welsh! There was no choice but to learn English. In the Victorian classroom, learning is dull and repetitive, but today’s lesson is not going exactly as the teacher has planned.

Sheldon has completed the last episode of his web show "Fun with Flags" and now feels depressed — that is, until he decides to give it another go. Unfortunately, Amy is not willing to work with him anymore.

Lele panics when one last crucial homework assignment is due. Might having a tutor help her? Or attending a student study group? Surely she can’t get away with not handing it in… but she is desperate enough to try!

Even if you're not the biggest fan of school, you've got to admit it's better than the historical schools depicted in this series! They certainly had some questionable moral codes and weird punishments...

Fred Flintstone and his best friend Barney Rubble like to go bowling and play golf, but before they can relax and enjoy themselves, there are household chores to be done. Fortunately for them and their wives, Wilma and Betty, there have already been some fantastic new inventions to make Stone Age living that much easier.

After some flag-related fun and games, the final episode of "Fun with Flags" draws to a close and Sheldon is overcome with emotion.

Lele and her classmates try all the tricks in the book to avoid taking a test, but their teacher is wise to their games, and, as it turns out, has a few tricks of her own up her sleeve.

Bedrock, home of the famous cartoon caveman Fred Flintstone, is a very modern Stone Age city. There are newspapers, cars, televisions and telephones, even a system of airmail!

Sheldon can no longer take the pressure of producing his show "Fun with Flags" alongside a full-time career and having a girlfriend. So, after only two hundred and thirty two episodes, it’s finally the last in the series. Sheldon is full of emotions, but mostly still mad at Amy for failing to press “record” and ruining his “Fourth of July Spectacular.”

For years, Jimmy has been encouraging parents to play a prank on their kids by telling them that they ate all their Halloween candy. Now that his daughter Jane is old enough, he felt it was time to try it out on her.

"The Hitchhiker's Guide to the Galaxy" by Douglas Adams began as a radio show before it became a series of best-selling novels, a TV show, and finally a Hollywood movie. Here is the opening scene from the movie, as dolphins abandon a doomed Earth.

As another unfortunate special guest falls short of director Amy’s exacting standards, neighbor and "flag virgin" Penny takes a turn, but her attempts to guide Sheldon towards a more relaxed and open style of presenting backfire.

Sheldon’s friend actor Will Wheaton agrees to be a special guest on the show. But for Sheldon's girlfriend Amy, who is the director, Will can’t seem to do anything right. She criticizes his acting, leaving Sheldon in an uncomfortable situation.