Barney & Friends (1992)

S11E5 Bop 'til You Drop

Title: Bop 'til You Drop Plot: When Baby Bop's beloved pink balloon goes missing, her friends surprise her with a whistle to call them for playtime. However, as Baby Bop starts to take charge a bit too much, Barney steps in to show her the value of friendship and cooperation. He helps her understand that being a good friend means sharing the fun and listening to others.