Question: I read recently that Alyson Hannigan has signed on to star in a sitcom for, I think, NBC in the fall of 2004. Can you tell us anything about this yet? Thanks! — Amy, Ithaca, N.Y.

Televisionary: Not much to say yet, Amy. Hannigan (Buffy the Vampire Slayer) signed a talent-holding and development deal earlier this month with NBC, which means the network has the exclusive right to match her with a starring role in a comedy project until the pact expires. They're trying to do that now, but if nothing clicks by next spring, she has the right to walk away and talk to other networks for the fall 2004 season.