Syfy’s “Sanctuary” came into its own last season with the episode called “Requiem.”
In it, colleagues and budding friends Helen Magnus and Will Zimmerman were trapped in the tight quarters of a submarine as Helen slowly lost her mind and Will, well, he took cover. It was a tense, claustrophobic episode that traded special effects bells-and-whistles for an acting tour de force. “Requiem” became my favorite episode of the show’s first season.
“Next Tuesday,” airing at 9 p.m. Friday, has a similar feel, stars Amanda Tapping and Robin Dunne told me in separate interviews. [Read on for a video sneak, more about the episode. Be warned, I don't think anything it spoilery, but you might.]