He’s Montel! Montel Williams takes a no-holds-barred look at investigative reporting on tomorrow’s “Montel Williams Show” (2 p.m. on Ch.9).

Williams will feature six female investigative reporters – including Ch.9’s Barbara Nevins-Taylor – who discuss the risks involved in their dangerous efforts to pursue truth, justice and the American way.

Let’s go Mets WPIX/Ch.11 has released its schedule of 50 Mets games for the ’99 season.

Ch.11’s Mets schedule kicks off on Friday, April 9 (7 p.m. at Montreal) and concludes on Sat., Feb. 18 – with exciting matchups in between – including two interleague Yankees games at Shea (July 9, 11).

Gary Thorne and Tom Seaver call all the action for the Mets, expected to vie for a playoff berth.

Roseanne! On today’s “Roseanne Show” (11 a.m. on Ch.4): Lisa Loeb’s shocking revelation about boyfriend Dweezil Zappa.

Loeb reveals to Roseanne that Zappa has a boyish crush on Madonna – and even plays a guitar embossed with Madonna’s likeness!

Express Lines:*He’s back! Who? Regis Philbin, natch, who returns this morning to “Live with Regis & Kathie Lee” with wife Joy Philbin co-hosting. Somewhere, Joey Bishop smiles …

*Elyse Weiner has been named Executive Producer of CNBC Business News, while Patrick M. Sheridan is the new Executive Producer for CNBC.com …

*”Viva!,” produced by Cutting Edge Entertainment, has received a New York Emmy nomination. It was executive-produced by Ray Blanco …

*Rabbi Simon Jacobson begins his new one-hour (6-7 p.m.) radio show March 21 on WEVD (1050 AM).-