Marc Seal was an English writer who wrote episodes from Series 8 through 10 and additional material from Series 8 through 12 for Thomas & Friends. He was the head writer for "Bob the Builder", "Mike the Knight" and the Disney Junior series "PJ Masks".
He has also written episodes for "Waybuloo", "The Hoobs", "Guess with Jess", "Engie Benjy", "Mopatop's Shop", "Rubbadubbers", "What's Your News?", "Little Charley Bear", "Transformers: Rescue Bots Academy" and "Little Princess".
Episodes
Series 8
Series 9
Series 10
Specials
- Calling All Engines! (additional material)
DVDs
- Tales from the Tracks/Little Engines Big Days Out (additional material)
- Come Ride the Rails/Together on the Tracks (additional material)
- Milkshake Muddle/On Track for Adventure (additional material)
- Carnival Capers (additional material)
- Thomas and the Treasure (additional material)
- Railway Friends (additional material)
- High Speed Adventures (additional material)