Prince Harry praises the "friendship and teamwork" shown by Thomas the Tank Engine as he talks of "fond memories" growing up with the popular animated children's TV show.

Britain's Prince Harry waves to photographers while holding a Thomas The Tank Engine bag on his first day at a kindergarten in Notting Hill, West London, Sept. 16, 1987.

Prince Harry celebrated Thomas the Tank Engine's 75th anniversary by recording an introduction for a new episode called Thomas & Friends: The Royal Engine. Watch the Duke of Sussex'x message.

Thomas the Tank Engine began his literary journey 75 years ago when he was invented by Rev. Wilbert Awdry, as a comforting story for his son, Christopher, who was in bed with measles.

Prince Harry has recorded a special introduction to a 75th anniversary episode of children’s series “Thomas the Tank Engine” that will launch on Netflix in the U.S. on May 1 and on ViacomCBS ...

Thomas the Tank Engine is a fictional, steam locomotive in “The Railway Series” books by the Reverend Wilbert Awdry and his son, Christopher. It was published beginning in 1945.

Prince Harry waves to photographers whilst holding a 'Thomas The Tank Engine' bag on his first day at a kindergarten in Notting Hill, West London on Sept. 16, 1987. (AP Photo/Martin Cleaver, File) ...

Prince Harry has recorded a special message to celebrate the 75th anniversary of children's favorite Thomas the Tank Engine. The Duke of Sussex introduces a new program called "Thomas and Friends ...

Prince Harry recorded a special message to celebrate the 75th anniversary of children’s favorite 'Thomas the Tank Engine' for a special that will air on Netflix and Viacom's Channel 5 in the U.K.

Proof of Prince Harry’s attachment to the engine can also be seen in photos of his first day attending nursery in September 1987, where he is seen carrying a Thomas the Tank Engine bag.

Proof of Prince Harry’s attachment to the engine can also be seen in photos of his first day attending nursery in September 1987, where he is seen carrying a Thomas the Tank Engine bag.