In this adventurous episode, the whole Hardwick crew comes together to share all their recent excitement and to gaze with wonder upon the whimsical world of prime numbers. A full week of floating, hiking, stalking and concerting is fondly remembered. Meanwhile, Noah gets new speakers, Caleb wakes up in Texas, and Seth avoids Spock Burgers. Plus, Miz Carla explores a curious dimension in which rocks do not float.