Welcome to Screen Rant’s “Geek Picks,” where we collect the finest movie-related geekery from around the Web for you. Today, you’ll find a DeLorean hovercraft; a Harry Potter advent calendar; Community season 3 gag reels, and Batman and the Joker settling their differences with a rap battle. All that and more on this edition of SR’s Geek Picks!

To kick things off today, Topless Robot has “The 5 Best (and 5 Worst) Collectible Candy Heads.” Which one’s your favorite? 

Batman VS. The Joker In A Rap Battle (NSFW)

Who wins?

Bane Kitty

Bane + Lol Cat

Batman Maybe

You can download the song and see behind the scenes photos HERE.

The Dark Knight Rocks

My new favorite band.

Spider-Man ****blocks The Avengers

It’s just your friendly neighborhood ****kblocking Spider-Man!

Marvel Cinematic Universe Art

Check out the sleeve artwork for the six individual Blu-rays inside the upcoming Marvel Cinematic Universe: Phase One Blu-ray box set.

Geeky Nesting Dolls By BoBo Babushka

Nesting Dolls with attitude!

Harry Potter Advent Calendar

Peep this amazing Harry Potter advent calendar made by Missing Willow from Craftster.

Community Season 3 Gag Reels

My favorite comedy on television.

DeLorean Hovercraft

DeLorean Boat at McCovey Cove / AT&T Park. 8/10/12.

100 Greatest Maniacal Movie Laughs

Some good, some bad. All insane.

Borg Wedding Cake

Made by a baker at The Sugarplum Cake Shoppe in Colorado Springs, who has a nephew on reddit.

PAC-MAN: The Movie

PAC-MAN The Movie (The Fan Film) from Steelehouse Productions on Vimeo.

Cool fan film.

That’s all for today, folks! Be sure to check back tomorrow for more movie-related geekery.

Today’s picks have been brought to you by: CraftsterReddit, Etsy, and Topless Robot.