Muck takes Whizzer, a robotic vehicle Leo's built for a robo-racing competition, with him as the team builds the track. The unpredictable toy causes mayhem, but also makes everyone realize the seating in the space isn't ideal and they rebuild it./Muck accidentally collapses Bob's first build- an old shed. While Bob goes to get supplies, Scoop tells of how he first met young Bob and helped him build it. They learn that mistakes are part of the process and to have a positive mental attitude. Air Date: Jan 4, 2018