One episode explains how fish fertilize their eggs with sperm and another episode explains how a hen and rooster make a baby chicken in a egg.

In the episode titled The Magic School Bus Gets Eaten, Keesha says "oh hell" once after forgetting about the report that she needed to bring to school on that day.

None.

Sometimes, Ms. Frizzle can get herself, Liz, and the kids in dangerous situtations.

Repeated screaming and shouting throughout