This catchy Justin Bieber song from his first Christmas album, Under the Mistletoe, will help to cheer us up and warm us through. It celebrates the tradition of sharing a kiss beneath a sprig of mistletoe, which is more than three centuries old and special for this time of year.

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!

Continuing to pirate audaciously, Blackbeard sails up the eastern coast of the United States, where, incredibly, he secures a pardon from the Governor of North Carolina. Setting up base on an island, he is soon plundering ships again, but by now has made some determined enemies and faces capture, dead or alive.

Eric finds that the road to happiness is not without a few bumps as his and Donna's teenage romance becomes an adult relationship.

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.

The God of Thunder, as it just so happens, is perfectly capable of delivering a weather report, if it ever becomes necessary. Chris Hemsworth, known best for his role as Thor in the Marvel Cinematic Universe, recently proved as much when he interrupted a local newscast in Australia. Hemsworth, effectively and efficiently, delivered the news, all with his signature charm.

Blackbeard’s story almost seems mythological, but it's actually based in truth. This video elaborates on the man Edward Thatch, starting with his origins on the island of Nassau to his reign of terror in the Caribbean.

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.

For this catchy song, Ed Sheeran teamed up with superstars Camila Cabello and Cardi B. The video echoes the plot of numerous spy films, with all three singers acting out the parts of characters typical to the genre.

Looking back at the pilot episode from all those years ago, the actors explain why the show made audiences of different ages laugh, and cringe at their own acting skills.

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

Stu escapes from the facility and again hears Abagail Freemantle's voice telling him to come find her.

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!