Slip Coaches/Behind the Scenes

Television Series
The slip coaches is a fictional standard gauge coaches created by Ian McCue, Mark Huckerby and Nick Ostler

In 2014, the slip coaches made their debut in the eighteenth series of Thomas & Friends in the episode, Duck and the Slip Coaches.

In the CGI version of the series on both sides of the Atlantic, respectively, the first slip coach was voiced by Jonathan Broadbent, the second slip coach was voiced by Rebecca O'Mara and the third slip coach was voiced by Steven Kynman. It is currently unknown that who will voice the first slip coach after Jonathan Broadbent's departure.

CGI Model
In 2009, the series introduced Computer-Generated Imagery (CGI) as a replacement for the show's long-standing live-action models. In 2014, the slip coaches created from scratch in CGI by Arc Productions for the eighteenth series. The models was "hand-sculpted" in Maya, a 3D animation and modelling software.