S7E4: Race to Goat Mountain

Chris and Martin, off to explore mountain bio-zones of Goat Mountain, bump into Paisley Paver. Paisley reveals her hideous plans for a development dubbed "Asphalt Ascent." The brothers are horrified. Thinking fast, Chris challenges her to a race to the top of Goat Mountain. Whoever gets to the peak first decides the future of the mountain ecosystem.