Thomas & Friends: Journey Beyond Sodor is a 2017 animated musical adventure film and feature-length special based on the British television series Thomas & Friends, based on The Railway Series by Wilbert Awdry. This is the first Thomas film to be produced by Mattel Creations and animated by Jam Filled Toronto. It was released on 22 August 2017 in the US and on 16 October 2017 in the UK.

The film stars John Hasler in the UK and Joseph May in the US as the voice of Thomas the Tank Engine. It also stars the voices of Rob Rackstraw, Christopher Ragland, Nigel Pilkington, Keith Wickham, Kerry Shale and Teresa Gallagher, with Mark Moraghan narrating for the final time. Hugh Bonneville, Lucy Montgomery, Darren Boyd, Jim Howick, Sophie Colquhoun, Colin McFarlane and Nicola Stapleton join the cast. The film deals with many traits that children have such as autism, through the Experimental Engines.