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? When do my passes start? If I purchased my Merlin Annual Pass during the Autumn Promotion, does my Carer Pass receive the 15 months validity?