She-Ra: Princess of Power (1985)

S1E11 The Laughing Dragon

Adora and Bow encounter Sorrowful, a dragon whose timidity outweighs his fiery nature. Determined to bolster his confidence, they guide him through exercises designed to spark bravery. However, their efforts are abruptly interrupted when the Horde launches a sudden assault, forcing the trio to confront the very fears they sought to overcome.