"Scream Queens" Season 2 promo ad was revealed by Lea Michele via her Snapchat account. The ad showed Taylor Lautner in a Dr. Cassidy Cascade outfit and Emma Roberts together with other actors returning from "Scream Queens" Season 1.

Michele's role as Hester Ulrich in "Scream Queens" gave sneak peeks of behind the scenes footage of the set, as well as the new character, Dr. Cassidy Cascade.

Dr. Cascade, who Lautner will be playing, is a medical doctor with a strange condition. He will form a bond with Chanel, Billie Lourd, in a hospital owned by Cathy Munsch, played by Jamie Lee Curtis. Continuous tragedies occur in the hospital, making Dr. Cascade a primary suspect. Dr. Cascade may play Chanel's love interest on Season 2, TV Line reported.

Michele's Snapchat videos also showed cameos from returning actors like Niecy Nash, Billie Lourd and Abigail Breslin. New characters were also added to the series like James Earl, from Glee, who will be playing Candy Stripper. John Stamos will be portraying the Dr. Brock Holt role, who may also play Chanel's love interest in the upcoming season as well.

Michele also shared Snapchats of blood props and Lourd blowing out her birthday cake on set. Roberts was also captured by Michele proving that she will be back on Season 2 after being stabbed to death on "Scream Queen" Season 1, Just Jared Jr. reported.

Meanwhile, Curtis said at Fox's Upfront party in New York City, that the show will be leaving the wonderland after Season 1 and things will get dark for "Scream Queen" Season 2. She is playing an owner of a dark hospital with mysterious and scary rooms.

"Scream Queens" season 2 premieres on Tuesday, Sept. 20 at 9 p.m. on Fox. Michele also revealed that the filming of "Scream Queens" Season 2 has started. Watch "Scream Queens" Season 2 predictions below.