What dates will the 2018 Autumn Promotion be available? The 2018 Autumn Promotion will be running from Thursday, 1st November 2018 - midnight, Monday 3rd December 2018. Related articles What is the 2018 Autumn promotion? I purchased my NEW Merlin Annual Pass during the 2018 Autumn Promotion, when will they start from? Can you mix Standard and Premium Passes and still get the family rate? If I purchased my Merlin Annual Pass during the Autumn Promotion, does my Carer Pass receive the 15 months validity? When do my passes start?