Robot Trains (2015)

Episode Overview

After a lengthy recovery, Duke returns to Fountain Plaza, but the other trains remain wary of him. In an effort to rebuild Duke's reputation, Kay invites him for a training session, which is actually a clever plan to regain the trust of their friends. As they ascend the mountain, Kay and Duke gather items that could win over the other trains. However, despite their efforts, the other trains struggle to see Duke’s genuine intentions.