When the Eds, Jonny, Kevin, and Rolf make bets to give up their respective habits for a day, they cope with it in varying ways. It is evident that they are addicted to certain habits and foods soon after the bet begins. As is characteristic of him, Eddy tries to sabotage the others so that he can win the bet.

George pretends to be handicapped, and while riding his bike, he hits a senior man's bike. When confronted by the geriatric biker, he is faced with a choice: fight or flight. He chooses flight.

Beakman explains flatulence and why our bodies build up gas that needs to be expelled. He explains how various foods affect the bacteria in the colon and that they release gas and cause it to accumulate. They also mention that the sound of flatulence comes from the anal sphincter.

Beakman explains earwax and its purpose using a giant ear with wax in it and an animated clip. He also explains why your ears pop due to the change in pressure.

Beakman explains wound healing by using a brick wall to simulate skin. When the skin is broken (hole is wall), then blood starts to come out (red and white balloons). Beakman then uses a short animation to explain red blood cells, white blood cells and platelets. Then the platelets start to fill up the hole in the wall and then tape is stretched across the opening to simulate fibrin. This entire demo shows how a scab works.