Star vs. the Forces of Evil Season 4 Episode 12

Kelly's World

Marco and Kelly risk life and limb to return a library book before it's overdue.

Guest Stars

Greg Cipes

Tad (voice)

Dana Davis

Kelly / Kelly's Mom / Additional Voices (voice)

Danielle Fishel

Librarian (voice)

Phil LaMarr

Kelly's Dad / Additional Voices (voice)