The episode, titled "Shelter from the Storm (Parts 1 & 2)," focuses on storm-preparedness, teaching children strategies to use during emergencies and coping mechanisms to help deal with the aftermath of a storm.
Menzel is no stranger to voice work, having provided the voice for Elsa in Disney's "Frozen," in which she sang the award-winning "Let It Go."
Menzel has been seen on Broadway in Rent, Aida, Wicked and If/Then. She won the 2004 Tony Award for Best Actress in a Musical for her performance as Elphaba in Wicked.
She is also set to appear in certain cities on the If/Then tour. For more information about the If/Then tour or to purchase tickets, click here.