It's time for the Fire Dog Challenge at the Birdwell Island Fire Department! Clifford's friend Tucker is trying to earn his Bravery Badge and become a firehouse dog. But Tucker is afraid of some of the tasks. If he can't finish the Fire Dog Challenge, he'll never become firehouse dog. Luckily, Tucker's friends come to the rescue. Clifford and Emily Elizabeth team up to help Tucker overcome his fears and earn his Bravery Badge -- and have lots of fun along the way!