Hidden Hollywood #1: Treasure From The 20th Century Fox Vaults (1997) Rating: Starring: Don Ameche, Joan Collins, Dan Dailey, Jimmy Durante, Alice Faye, Betty Grable, Al Jolson, Ethel Merman, Bill Robinson, Shirley Temple, Robert Wagner Director: Category: Documentary Studio: Image Ent. Subtitles: Length: 91 mins     Hollywood's Best Loved Stars In A Cavalcade Of Rare & Long Lost Footage Rescued From The Cutting Room Floor! For the first time in its history, 20th Century Fox opens its vault to reveal previously "lost" cinematic treasures. Hosted by Joan Collins, this behind-the-scenes look inside the studio features dazzling array of singing, dancing and comedy routines cut from classic Hollywood films. Rescued from oblivion, these sequences have been restored to their original, pristine condition and are now presented - in their entirety - for the first time ever! "Hop, Skip and Jump," performed by Shirley Temple and Jimmy Durante from Little Niss Broadway. Delightful Betty Grable musical numbers deleted from Tin Pan Alley, Hot Spot and Pin Up Girl. Bill "Bojangles" Robinson in two spectacular dance sequences cut from Caf