Sailor Moon

Pegasus's Secret: The Boy Who Protects the Dream World (4x31)

Air date: Dec 23, 1995

PallaPalla's magic causes Usagi and Chibiusa to switch ages, turning Usagi into a child and Chibiusa into a teenager. While Chibiusa is thrilled with her new body, she is distressed to discover that she can no longer call Pegasus.