It's that time of year when you wind up watching a lot of DVDs with your loved ones. And you rediscover the grand art of compromise. It's hard to find movies that everybody wants to watch — especially if you want to watch something science fictional.
This week, we have the season finale of Tower Prep and the season premiere of Primeval, and marathons of Doctor Who, Twilight Zone, and assorted other classics. Plus Rufus Sewell meets a mermaid, and Alec "Obi-Wan" Guinness pioneers science-fiction comedy.