The adventures of Thomas the Tank Engine and his friends on the island of Sodor. Thomas is often in trouble and finds it difficult to be a useful engine.
Thomas is in China, where he gets into trouble while racing with Hong-Mei, another blue tank engine and the number one engine on the Chinese Railway.
Gordon has a tantrum about all the changes being made to the railway, but his new friend Nia, the steam engine from Kenya, helps him to take a fresh look at the situation.
Rebecca, a big new tender engine, comes to the Island of Sodor and works so hard not to be late that she turns up too early for the passengers and leaves the stations early too!
Thomas is very surprised when an elephant comes to his rescue when he ends up derailed in a paddy field while working on the Indian Railway.
Rebecca is worried that, unlike the other engines, there is nothing special about her.
When a Bollywood action movie is filmed on the Indian railway, Thomas is desperate to be involved.
Thomas is taking a film crew to a nature reserve in China to make a film about giant pandas, and is determined to spot one in the wild.
In India, while Thomas is pulling a truckload of coconuts, he discovers a branch line leading to a mysterious Monkey Temple and encounters some cheeky monkeys.
While waiting to be repainted after a crash, James dreams that he has been repainted in different colours - and crashes each time he tries to show them off.
In Australia, Thomas is so impressed by Shane, who is taking passengers on an outback adventure, he tries to become an outback tour guide himself - with disastrous consequences.
When a storm destroys the classroom at Harwick School, the children have to be brought by train to Knapford for their lessons. Duck is keen to do the job, but he needs is a coach.
Thomas, Shankar and Rajiv team up to find some Indian tigers.
When Thomas's friend Merlin the stealth engine comes to Sodor from the mainland for the first time, Percy is determined to see this 'invisible' engine.
When Philip and James end up facing each other on a one-track bridge, Philip learns that sometimes even the smallest engine's actions can make them the bigger engine.
When Thomas takes a shortcut via a low bridge, he knocks the water wheel he is carrying off his flatbed and sends it rolling off across the Chinese countryside!
Samson doesn't like fireworks and gets lost after he flees from a fog warning that he thinks is the earl's fireworks display.
While he is working on the Chinese Railway, Thomas tries to save an accident-prone truck who is racing down the tracks.
Thomas is determined to keep the animals warm when the boiler breaks down at the Animal Park breaks down on a cold snowy day.
Thomas admires Ruby, the Flying Doctors' plane in Australia, and wishes that he had her speed. But when a cyclone makes it too dangerous for Ruby to fly, Thomas goes to the rescue.
Thomas is disapppointed that Christmas in Australia happens in summer and there's no snow, but he cheers up on an adventure to reunite a baby kangaroo with its mother.
Thomas is terrified when he is given the honour of bringing a dragon to the Chinese New Year celebrations.
It's Valentine's Day on Sodor, but when the engines tease Thomas and call Rosie his special friend, he tries to prove them wrong and ends up being mean to her.
When Sidney can't remember what he's supposed to be doing with the engine parts he is shunting, Paxton assumes the guise of a 'special agent' to solve the mystery.
While working in the Australian rainforest, Thomas meets a ranger and helps her to rescue the koalas from a bush fire.
When Nia derails because she has never learned to read numbers, Annie and Clarabel decide to teach her.
Bill and Ben's latest game involves hiding trucks and making other engines search for them.