One Christmas in Camelot, the revels were interrupted by a hulking, emerald-skinned knight (Ralph Ineson) who dared anyone present to lay a blow on him... as long as he got to strike back a year later. The king's impetuous nephew Gawain (Dev Patel) met the challenge-and after the intruder improbably survived, faced a fateful journey to meet his end of the bargain. David Lowery's stylish, subversive take on the Arthurian tale co-stars Alicia Vikander, Joel Edgerton, Sean Harris. 130 min. Widescreen; Soundtrack English.

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Leavening the Jack London adventure staple with striking CGI animal effects, this engaging effort follows the odyssey of Buck, the sturdy mutt stolen from his home in 1890s California and shipped to the Yukon for service as a sled dog during the Klondike Gold Rush. Rescued from an abusive owner by elderly prospector John Thornton (Harrison Ford), the two forge a bond that will be tried by unforgiving fate. Dan Stevens, Omar Sy, Karen Gillan, Bradley Whitford also star. 100 min. Widescreen; Soundtrack English. Two-disc set.