It's down to the final three teams, and they must prove their talents in challenges celebrating the 50th anniversary of A Charlie Brown Christmas. First, the teams must deck out Snoopy's dog house for the holidays, then they'll be tasked to create the ultimate Peanuts holiday party. One team will be eliminated with help from special guest judge Lindsey Schulz, artist and granddaughter of Peanuts creator Charles M. Schulz.