It’s steampunk Santa vibes all the way in two darkly imaginative visions of the holiday season as a dystopian fever dream. The singular sensibility of Terry Gilliam reaches dazzling heights in his Yuletide-set BRAZIL, a riotous blend of Orwellian satire and delirious visual invention set in a totalitarian near-future. Then, what begins as a quiet Christmas Eve morphs into a surrealist journey through the unconscious in Marc Caro and Jean-Pierre Jeunet’s carnivalesque science-fiction fantasy THE CITY OF LOST CHILDREN.