Marc Seal

Marc Seal was an English writer who wrote episodes and additional material for Thomas & Friends from Series 8 through 10. 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", "Bob the Builder", "Rubbadubbers", "What's Your News?", "Little Charley Bear", "Little Princess", and most recently "Transformers: Rescue Bots Academy".

Series 8

 * Spic and Span
 * Squeak, Rattle and Roll

Series 9

 * Thomas' Milkshake Muddle
 * Thomas and the New Engine
 * Thomas and the Statue
 * Emily Knows Best

Series 10

 * Toby's Afternoon Off
 * Thomas and the Colours
 * Thomas and the Treasure

Specials

 * Calling All Engines!

DVDs
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 * Railway Friends
 * High Speed Adventures