Watch John Carter (2012) HD Full Movie Free on SolarMovie. Watch John Carter (2012) online free. Transported to Barsoom, a Civil War vet discovers a barren planet seemingly inhabited by 12-foot tal...Transported to Barsoom, a Civil War vet discovers a barren planet seemingly inhabited by 12-foot tall barbarians. Finding himself prisoner of these creatures, he escapes, only to encounter Woola and a princess in desperate need of a savior.