New Thomas & Friends Episode: 4-D: Bubbling Boilers! Details & Trailer Found

I was looking up about the new Thomas special, not sure if it's a movie or episode, but it look's like a feature length special because it's one story in the description. A website called SimEx-iwerks.com, had a poster and description about the upcoming CGI special.

The Description Reads:

In his pursuit of being Really Useful for a big celebration on Sodor, Thomas
is covered in a mysterious oily liquid. He is in too much of a hurry to be cleaned and soon he's slipping wildly out of control. When he crashes into an old mine, Thomas is in for the ride of his life! Join Thomas & Friends in this thrilling 4-D adventure.

            

A Release Date Isn't Yet Confirmed


Update: This is an Episode