Premise

The comedy legend is joined in Las Vegas by cohosts Ed McMahon, Tom Bergeron, Alison Sweeney, Bob Zany, Tony Orlando, Jann Carl, Norm Crosby, Billy Gilman, and Muppets Sal Minella and Johnny Fiama (Brian Henson, Bill Barretta). Slated to appear: Celine Dion; Montgomery Gentry; George Wallace; David Cassidy; Maureen McGovern; Christopher Meloni; Mariska Hargitay; Tony Danza; Vanessa L. Williams; Michael Urie; John Madden; Louie Anderson; John Tesh; Lance Burton; Five for Fighting's John Ondrasik.