Quick Hits: TRON: LEGACY, Laura Prepon, BIG LOVE, Kirby Krackle

A new video clip for TRON: Legacy, Donna from That 70's Show joins Castle, Big Love next season will be its final, and nerd band Kirby Krackle releases new image from upcoming music video.

New TRON: Legacy Video Clip

This clip features Garrett Hedlund and Olivia Wilde riding in what Bleeding Cool is coining as a "lighttumbler."

Laura Prepon Joins Castle

Entertainment Weekly got the exclusive that former That 70's Show star has been cast in the ABC series as Natalie Gray. The character is an actress who’s been cast as Nikki Heat in the movie version of Castle's book Heat Wave. Castle based the character Nikki Heat on his partner Beckett.

Big Love Will End After Season Five

It's been officially announced by Entertainment Weekly that the fifth season of Big Love will be it's last. The story revolves around a polygamous man and his three wives. The series creators, Mark V. Olsen and Will Scheffer, released a joint statement regarding the series end, “While we were in the writers’ room this year shaping our fifth season, we discovered that we were approaching the culmination of that story.”

HBO president Michael Lombardo also released a statement, “It has been an honor and pleasure to work with series creators Mark V. Olsen and Will Scheffer on this unique and provocative series, and I’m happy that they will be able to bring the story to its close the way they always envisioned. We look forward with great anticipation to collaborating with Mark and Will on their next venture.”

The fifth season will premiere on Sunday, Jan. 16, 2011.

Kirby Krackle Reveals New Image From Upcoming Ring Capacity Music Video

The popular nerd rock band from Seattle have released through their Twitter account a sneak peek image to their upcoming music video for their Green Lantern themed song, "Ring Capacity."

The song is currently being petitioned on Facebook to be included on the soundtrack to the upcoming Green Lantern movie. The song is also a playable song on Rock Band 2 and Rock Band 3.

Ring Capacity Song: