Well, it could go in many ways. Maybe they'll be immediately friendly and start sharing toys or stories. Or they might be cautious and take some time to warm up to each other. It really depends on the cartoon's setting and the girls' personalities.
It could imply a fictional or imaginative image of a small ear of corn depicted in a cartoon style and with a baby-like charm or appearance. But it's kind of a strange combination of words.
Toddler cartoon shows like Rolly Pooly Ool often have repetitive elements to help kids remember and learn. They also focus on basic concepts like friendship and sharing.