If you've never seen Jason of Star Command, you're in for a crazy mind-warping treat. This space adventure show from the 1970s feels like an old-school adventure serial, with Harryhausen-esque special effects. And it co-stars James "Scotty" Doohan in the first season! And it's all on Hulu.
No, that's not Kirk squaring off against his transporter duplicate: It's a scene from William Shatner's Spaghetti Western, White Comanche. A new DVD set is full of Trek stars' cowboys-and-Indians adventures, which really feel like lost Star Trek episodes.