Scared Shrekless (2010): All-new Halloween special featuring Shrek! Halloween is his favorite holiday, and this year he’s planning a night of frights – all done ogre-style. Shrek challenges Fiona, Donkey, Puss in Boots and the other fairy tale characters to spend the night in Lord Farquaad’s haunted castle telling scary stories. The last one to be scared "Shrekless” will win. more All-new Halloween special featuring Shrek! Halloween is his favorite holiday, and this year he’s planning a night of frights – all done ogre-style. Shrek challenges Fiona, Donkey, Puss in Boots and the other fairy tale characters to spend the night in Lord Farquaad’s haunted castle telling scary stories. The last one to be scared "Shrekless” will win.