NBC is celebrating the 15th anniversary of the smash Broadway musical “Wicked” with a special concert featuring the show’s original cast members Idina Menzel and Kristen Chenoweth. 

The special called, “A Very Wicked Halloween: Celebrating 15 Years on Broadway,” will air on Monday, October 29 at 10pm ET/PT. 

This televised concert featuring songs from the blockbuster musical hit, Wicked, will showcase a cavalcade of special guest stars to help celebrate the music and the magic of the show that tells the story of what happened in Oz before Dorothy dropped in. 

The special will reunite Tony Award Winners Idina Menzel and Kristin Chenoweth, the original Elphaba and Glinda, who will perform and serve as hosts for the special. 

Additional guest performers include Ariana Grande, Pentatonix, the current Broadway company of Wicked and more to be announced, all to honor the show’s lasting cultural impact and the 15th anniversary of its unforgettable Broadway debut.

View this post on Instagram

Fellow Ozians—it’s official. Our anniversary concert on @nbc, “A Very #Wicked Halloween: Celebrating 15 Years On #Broadway,” will feature @IdinaMenzel, @KChenoweth, @PTXofficial, and @ArianaGrande! This is only the beginning—stay tuned for more info and thrillifying surprises! @todayshow #Wicked15

A post shared by Wicked the Musical (@wicked_musical) on Sep 27, 2018 at 6:22am PDT