Thomas and Friends and My Little Pony: The Movie

Sodor and Equestria have made an alliance and currently, there are four controllers on Sodor and four princesses (not counting Flurry because she was born an alicorn).
One of the four controllers and their friends have entered Eqeustria for one of the princesses' festival.
Apparently, Golden Lady, the Controller of the Magic Railroad, told the two controllers, Sir Topham Hatt and Mr Percival, that a creature known as the Storm King invaded Equestria.
When Sir Thomas, who is still Sodor's number 1 engine, and his friends help Princess Twilight and her friends escape Canterlot after the Storm King's invasion, the Steam Team, Mane 6 and Spike go on a journey to save Equestria from the Storm King's wrath.
Join Thomas the Tank Engine, Twilight Sparkle, Spike, Rainbow Dash, Gordon, Fluttershy, Henry, Edward, Nia, Rebecca, Emily, Pinkie Pie, Percy, Applejack, Toby, Rarity and James on their journey to find help and bring Equestria to it's former glory.
It's the original series of Thomas and Friends, readding in Henry, Edward and Toby, crossed over with My Little Pony: The Movie.