Newest musical follows wildly successful "Sound of Music Live" and upcoming "Peter Pan"
The comedian will appear in an upcoming episode of the Fox comedy
The untitled show will focus on a successful mother and her stay-at-home pregnant daughter
Star previously showed two episodes of the show at South by Southwest
In light of the terrorist attack and manhunt, the network has pulled Episode 4
"SNL" vet will join "Kardashian" mom Kris Jenner and comedienne Sheryl Underwood on daytime gab-fest
Molly Shannon, Eric Stonestreet also join the cast of the Jake Kasdan comedy, which will star Cameron Diaz and Jason Segel
"SNL" alum's role on the Fox hit characterized for now as "recurring"