Chibi Usa Meets Pegasus in a Dream

Chibi Usa has a dream where she meets up with Pegasus in a crystal forest. She reaches out to him and her pajamas turn into her princess dress. Pegasus disappears and she hears a voice behind her asking her not to tell anyone about their encounter.
Key Cel
Sailor Moon SuperS Episode #128
An unexpected encounter! The night Pegasus performs his steps
Unmei no deai! Pegasus no mau yoru