"Sweet Dreams" is the first segment of the forty-fifth episode of Star vs. the Forces of Evil. It premiered on November 14, 2017 alongside "Lava Lake Beach", and is the first segment of the tenth episode in the third season.
Star discovers she travels through multiple dimensions in her dreams.
- Eden Sher as Star Butterfly
- Adam McArthur as Marco Diaz
- Esmé Bianco as Eclipsa Butterfly
- Jeffrey Tambor as Glossaryck
- Alan Tudyk as King Butterfly
- Grey DeLisle as Queen Butterfly
- Ludo makes a cameo appearance drifting through dimensional space after Star tossed him into the void in "Toffee".