Adhemar explains the rules of the joust to Jocelyn.

Sir Ector's squires realize he is dead after almost winning the entire jousting competition. William decides to impersonate Sir Ector even though he is a peasant and does not have noble status.

William tries out new armor made by Kate for his jousting competition.

Church officials in Rome are impressed with Galileo's mathematical knowledge but hesitate when he brings up his interest in teaching Astronomy. They worry he will be accused of heresy by the Inquisition and decide that he is better off teaching in free-thinking Venice.

George floats away on a bundle of balloons, and Ted saves him by gathering a larger bundle of balloons. This clip can be used to discuss buoyancy.