Riverdance
Gershwin Theatre, 222 W. 51st St. Between Broadway and 8th Ave. (212-307-4100), $25-$80.  Tue-Sat, 8 PM; Wed, Sat 2 PM; Sun 3 PM; 2 Hours 35 min. One Intermission. 80 members of Traditional Irish dancing, singing and music with the voice of Liam Neeson.

Saturday Night Fever
Minskoff Theatre, 200 W. 45th Between Braodway and 8th Ave. (212-307-4100). Tue-Sat 8 PM; Wed, Sat 2 PM; Sun 3 PM. $30-$80.  One Intermission; John Badham's disco.  Sean Palmer as Tony Manero, and Paige Price as his dance partner. Directed and choreographed by Arlene Phillips.

Swing
St. James Theatre, 246 W. 44h St. between Broadway and 8th Ave. 212-239-6200. $20 - $75, Tue - Sat 8 PM; Wed 2 PM, Sun 3 PM.  2 Hours. One Intermission. Lynne Taylor Corbett directs & choreographs as Jerry Zaks supervises the world class swing dancers and vocalist Ann Hampton Callaway as they rock the St. James. With Laura Benanti.

The Tale of The Allergist's Wife
Ethel Barrymore Theatre, 243 West 47th Street between Broadway and Eighth Avenue. 212-239-6200. $30 - $70, Tue - Sat 8 PM; Wed & Sat 2 PM; *Until Nov 7th Mon 8 PM, after Nov 7th Sun 3PM; Produced by Manhattan Theatre Club, this satire is some funny comedy starring Linda Lavin, who plays an Upper West Sider. Tony Roberts, Michele Lee co-star in this new play by Charles Busch, directed by Lynne Meadow. Lighting by Christopher Akerlind, Costumes Ann Roth, Settings Santo Loquasto and Sound by Bruce Ellman.