There's nothing anyone needs to add about NBC's decision to run its Roseanne biography on Halloween night. If you're looking for a more fitting Halloween treat, though, check out HBO's new trilogy of "Tales From the Crypt" episodes -- especially the opening installment. Also of note: another time-traveling "Northern Exposure" episode.
* "The Nanny" (8 p.m.-8:30 p.m., Channel 11) -- There's an interesting duo of guest stars on tonight's "The Nanny": Wallace Shawn and Ben Vereen. CBS.
* "Dave's World" (8:30 p.m.-9 p.m., Channel 11) -- One of Dave Barry's few recorded forays into "serious journalism" happened when he wrote about the time his son was hit by a car while riding a bike. This episode makes some changes but retains the tone, and a lot of Mr. Barry's prose, to allow Harry Anderson, as Dave, to wax eloquently, and sincerely, about the joys and fears of parenthood. CBS.
* "Roseanne and Tom: Behind the Scenes" (9 p.m.-11 p.m., Channel 2) -- Patrika Darbo and Stephen Lee are a lot better at embodying Roseanne and Tom Arnold than were their Fox counterparts two weeks ago. NBC.
* "The World's Greatest Commercials: The 1994 Clio Awards" (9 p.m.-10 p.m., Channel 45) -- Kelsey Grammer is host of this one-hour special like he's double-parked, and you can almost see the relief on his face as he waves goodbye and heads offstage at the end. It's not an easy hour to watch, but there are a few rewards: some funny regional commercials, a few foreign ones, and the Clio winner of the year, shown at the very end, that's definitely worth catching.
* "Northern Exposure" (10 p.m.-11 p.m., Channel 11) -- Lenin (Christopher Neame) comes to Cicely. As in the season opener, most of the cast members play dual roles. CBS.
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* "The Haunting" (8:30 p.m.-11 p.m., TNT) -- As ghost stories go, this 1963 movie is one of the best.
* "Tales From the Crypt" (10 p.m.-11:30 p.m., HBO) -- The first story, starring Catherine O'Hara and Peter MacNicol, strikes just the right "Crypt" tone: a little funny, a little creepy, and more than a little surprising at the end. The second, starring Peter Onorati and Sherrie Rose, is sexier, darker but not as satisfying, while the third, starring Rita Rudner and Richard Lewis, is a little too whimsical.