In a funny friendship story about switching places and learning empathy, T.D. volunteers to live as a dog for a day, and Carolina is shocked when she wakes up to find herself changed into a dog!.
Max continues to scribble down his worst fears about his parents, his ideas about whether the aliens built the pyramids, and his creative thoughts about various scientific concepts.
The students in Mrs. Green's class are excited to hear they will be having a substitute teacher, but their plans for partying and having fun all day change when they see who the sub is and what he has planned for the day.