Lionsgate Shop are offering a special discount deal on the Day of the Diesels DVD/Blu Ray Combo Pack.
Priced at $19.99, by choosing the product and entering the promo code Sodor, buyers will be able to save up to $3.
An alternate method is also available via the shop's Special Offers page where instead of entering the above code, Facebook can be used instead for a saving of $4 on the same release.
The right hand side of the page for the $3 offer lists Misty Island Rescue for the same oppourtunity, although the link is currently defunct.
Day of the Diesels hits US DVD/Blu Ray shelves on September 6th 2011.