What about Bob?

Bob Saget, who normally plays it for laughs, shows off his acting chops on tonight’s episode of “Law & Order: SVU,” in which he co-stars with Cath erine Bell (“JAG”), Berna dette Pet ers and Chris Sarandon. It’s a case of murder and infidel ity within a dance troupe; Saget (“1 vs. 100”) plays one of the dance troupers.

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Here we go again: “Good Morning America,” which came tantalizingly close last year to catching first-place “Today,” is closing the gap again. For the week of Nov. 13, “GMA” cut the gap with “Today” to 330,000 viewers – a 51 percent increase from the same week in ’05.

Last, but not least:

* Patricia Ciano and Ter ence Noonan have been named co-executive produc ers of the new Fox morning show premiering in January on Ch. 5 with co-hosts Mike Jerrick and Juliet Huddy).

* Anchors away: Charles Gibson (ABC), Katie Couric (CBS) head for Amman, Jor dan to cover President Bush’s summit with Iraqi Prime Min ister Nouri al-Maliki.

* Former “Apprentice” sidekick Carolyn Kepcher at Hello Deli in Times Square today (noon) help ing Microsoft pick the Best Small Business in America.

* WGAY-TV, the coun try’s first over-the-air gay TV station, debuts on Jan. 1 in Key West, Fla. It’ll be accessible online at wgay.tv.

* Reflexologist Joseph Horan makes the home shop ping network rounds in Janu ary for his new product, “Footastic.”

* Congrats to “ET” week end anchor Kevin Frazier on his marriage last weekend to Yasmin Kader.

* Sean Martin joins The Dowd Agency as senior account executive.

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* Jennifer Aniston (left) is mulling an appearance on “Dancing with the Stars,” according to a London newspaper. “She’s seriously considering doing the show and thinks it would be a laugh,” a friend of Aniston’s told the paper.