- Eden Sher (Star Butterfly (voice))
- Adam McArthur (Marco Diaz (voice))
- Alan Tudyk (Ludo / King River Butterfly (voice))
Episode: Mama Star
Air Date: 2019-05-05
Runtime: 11 min
Star, Marco, Janna and Tom lose their memories as they traverse amnesia-inducing waters to get back to Mewni.