Thomas & Friends - Diesel's Journey Beyond Sodor (2017)

Trembling Tracks. The Thomas Creator Collective is back with a super-sized standalone adventure. After devious Diesel was sent away for being naughty after Sodor's Finest, he found himself washed up on the mainland. Like Thomas, Diesel will meet many new engines on the mainland like Merlin, Hurricane, Frankie and some big surprises. Will Diesel finally make new friends or will he just be up his old tricks? Keep watching until the end for one of the biggest secrets of Return of Diesel to be revealed.