This is Number 48
Gerald nicknamed Gator is a large tank engine who resembles an alligator.
- Season 11: Trembling Trevor, Old Square Wheels and BoCo and the Cocoa
- Season 12: Greetings, Montague! (does not speak) and Scottish Blues
- Season 13: Rust or Bust (cameo), Go Boldly, Culdee (cameo) and How Gator Stole Christmas
- Season 14: Millie's Castle Hassle, Hiro and the Heat Wave (cameo), Cabless Companions (cameo),
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