The Calvin Time Machine Effect

The Calvin Time Machine Effect is the thirteenth episode of the first season of Calvin and Hobbes: The Series. It stars Calvin, Hobbes, Calvin's dad, and the Calvinosaurus (Although it does not speak).

Plot
Calvin invents a time machine and takes himself and Hobbes to the Jurassic Era, and they discover a new kind of dinosaur, which Calvin dubs "Calvinosaurus".

Transcript
The Calvin Time Machine Effect transcript