The Challenge (1998)

S22E13 Seeing is Believing

When Thomas' friend Merlin visits Sodor from the Mainland for the very first time, Percy is eager to meet him. Excitement fills the air as the engines buzz with anticipation, each hoping to catch a glimpse of the newcomer. Percy, determined to see Merlin up close, sets out on a little adventure, ready to explore the island and discover what makes this arrival so special.