Thomas & Friends (1984)

S11E13 Don't Be Silly, Billy

A new engine named Silly Billy comes to the island, and Thomas is tasked with giving him a tour. However, Billy perceives Thomas as overly controlling and chooses to explore on his own. This decision leads to a series of chaotic mishaps, highlighting the importance of teamwork and guidance. As the day unfolds, Thomas must step in to help Billy navigate the challenges he faces alone.