Ellyvan Goes Up! / Easy Does It, Dozer!

S2, E3: Ellyvan Goes Up!: Zooter and Ellyvan enlist the help of Bungo's Lifter-Upper to get to the top of the tallest tree. Easy Does It, Dozer!: Dozer fastens a trailer bed to his tracks and starts zipping around, but his flashy maneuvers cause a rockslide.