In Betty Boop – Baby Be Good, Betty takes on the role of a babysitter tasked with looking after a mischievous toddler who quickly becomes more than she bargained for. The cartoon begins with Betty cheerfully accepting the job, confident in her ability to handle the little one. However, chaos ensues as the energetic toddler embarks on a series of pranks and antics, causing messes and mayhem throughout the house. From spilling paint to chasing the family pets, the baby seems unstoppable.

As the situation spirals out of control, Betty attempts to reign in the chaos by singing a soothing lullaby, which temporarily calms the toddler, only for new hilarious disasters to unfold. Throughout the cartoon, Betty’s patience is tested, but her kind heart and clever thinking help her manage the wild baby. In the end, Betty teaches the toddler to “be good,” using a blend of humor, music, and affection to bring order to the madness.

Baby Be Good is filled with slapstick humor, catchy tunes, and Betty’s signature charm, highlighting her ability to handle any situation with grace, even when things go hilariously wrong. The cartoon celebrates the fun and unpredictability of childhood, while also showcasing Betty’s nurturing and resilient nature.