Discovered recently for release in November, the US piece contains stories from the Eighth and Ninth Series alongside a feature-length special set in between the aforementioned timeline.
Glimpsed on the front cover, Calling All Engines!, Come Ride the Rails, Tales from the Tracks and It's Great to Be An Engine star in the four part compilation pack.
A Map of Sodor is included as a bonus, sharing the theme of exploration. Thomas' Calling All Engines! promo shot serves part of the front cover.
Let's Explore with Thomas hits US DVD shelves on November 6th 2012.
Thanks to SI3DFilms for the alert.