The launch will take place at the Champion Parking Lot on 46th Street and Eighth Avenue.
At the Power Lab, the stars will pedal the Power Rovers that collect energy to power the 2011 numerals that will flash when the familiar Times Square ball drops on New Year's Eve.
Gasteyer recently appeared in The Royal Family and the Encores! concert of Girl Crazy. Neuwirth and Lumley are currently appearing on Broadway in The Addams Family and La Bete, respectively, and Rivera (West Side Story, Bye Bye Birdie, Chicago) recently performed at Birdland.