Canada's Greatest Know-It-All

Bridges, Blueprints, & Body Parts (2x3)

Air date: Jan 28, 2013

The 8 remaining Know-It-Alls battle to build bridges over troubled waters, then brainstorm to conceptualize and create the ultimate science fair project. The bottom 2 get up to their elbows in the elimination challenge, dissecting animals and playing a game of 'name that body part'.