- Eden Sher (Star Butterfly (voice))
- Adam McArthur (Marco Diaz (voice))
- Alan Tudyk (Ludo / King River Butterfly (voice))
Star vs. the Forces of Evil — S4E15
Episode: Ghost of Butterfly Castle
Air Date: 2019-04-07
Runtime: 11 min
Overview
Moon revisits the Butterfly Castle ruins to discover an item she left behind, but she is soon surprised.