If you're a fan of both Black Sabbath and 'CSI: Crime Scene Investigation,' you're about to be given both an eyegasm and eargasm all at once! The legendary heavy metal band will be appearing on the season finale performing a new song "End of the Beginning,' but here's a behind-the-scenes clip that you can check out right now.

On Wednesday, May 15 at 10PM EST, Black Sabbath will premiere the new track 'End of the Beginning' on the CBS staple program. The episode follows the CSI team as they investigate a series of killings that the into the sins depicted within 'Dantes Inferno.' The trail eventually leads actors Ten Danson and Marc Vann to a Black Sabbath concert.

Sabbath bassist Geezer Butler is actually a massive fan of 'CSI,' as admitted in a trailer for next week's episode. "I've watched ['CSI'] — every episode — since it started, 'cause I like crime stuff, and it was realistic," raves Butler. Swapping roles, Ted Danson also reveals himself to be a Black Sabbath fan. "It's my first Black Sabbath concert," says Danson. "How cool is that?"

"I'm not an actor," begins singer Ozzy Osbourne. "It's like a hurry-up-and-wait. When you see it on TV, it's all done, but when you're filming, there's a lot of stuff going on." Speaking of his reunion with Butler and guitarist Tony Iommi, Ozzy says, "It's been a long time, but the wait has been well worth it, 'cause the album is really good. I'm really pleased with the outcome."

Ozzy comments further on 'CSI,' "It's good fun and it's a good way of telling people that we're back together, you know?"

Check out a behind-the-scenes look at Black Sabbath in 'CSI: Crime Scene Investigation' below:

'CSI: Behind the Scenes with Black Sabbath'

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