Eddy wants Rolf's egg, but Rolf won't give it up for free. Rolf offers to trade it for sawdust, which starts off the Eds' trading quest.

Jackie, Matt, and Inez set out to prove that Hacker doesn't deserve to be the ruler of Cyberspace. They try to find a counterexample to his statement that "you can always make a triangle out of any three rods." After some experimentation, they discover that one long rod and two short rods do not connect and therefore do not make a triangle. They present their findings during the debate.

Jackie, Matt, and Inez brainstorm how to build a ramp to get up the steep cliff to the island. They create a design for the ramp such that it can be easily transported and will serve the purpose of getting them to the island.

Mr. Wizard demonstrates that wheels don't always need to be round to function as wheels.

Dr. Omalu explains how a football player died after a series of repeated hits to the head.