With his recent appearance on Doctor Who, Mark Sheppard cemented his place as science fiction's greatest character actor. But we've been loving Sheppard for years...and we assembled this video of every last one of his scifi roles to prove his awesomeness.
Rabid Jake 2.0 fans are sending this postcard to Paramount demanding a DVD boxset of the canceled show. In an era when even Jason of Star Command has DVDs, it seems hard to believe you can't buy your favorite obscure show yet. What sci-fi show are you dying to see on DVD?