Hollywood sells us quick hits of entertainment, and counts on our attention-deficit disorder to keep us distractible. But Hollywood also has its own case of ADD, chasing fads and cool ideas, and then running them into the ground. That can be a very good thing, because some fads are so dumb you can't wait for Hollywood…

The first full-length trailer for the Thing prequel is here, and it serves up a huge dose of claustrophobia and paranoia, laced with awesome bloody violence. If you've been skeptical about a prequel to John Carpenter's film, check this out.

Are there any gaps in the life story of William Adama you're dying to fill? Because Syfy has got your back. In addition to Caprica, they've just greenlit another prequel, focusing on the future Admiral's time as a viper pilot.

We caught our first glimpse of The Thing's creepy Arctic horror this past weekend. But it's just one of a half-dozen movie prequels in the pipeline. Past experience shows many of these prequels may suck. Here's your prequel suckitude forecast.

Ridley Scott says his new prequel to his seminal 1979 space-horror film Alien is definitely happening, and he's going to talk to venerable designer H.R. Giger about some new creature designs. And he drops some plot details. Spoilers ahead...

BSG spinoff Caprica launches next Friday, but as good as its opening episodes may be (And they are), we're still worried. Why? Because it's a prequel, and if science fiction has taught us one thing, it's that prequels generally suck.

It's prequel time, with Caprica newly out on DVD and both Star Trek and Wolverine hitting theaters soon. So we decided to rank 10 science fiction prequels in order of crappiness.

Must-see TV shows are futuristic classics that shouldn't be missed. Of course, not every must-see is perfect. That's why we've rated them 1-5 on the patented "crunchy goodness" scale.

Title: Enterprise (later Star Trek: Enterprise)
Date: 2001-2005

Vitals: The early seat-of-your-jumpsuit days of Starfleet, complete with …