Watch King Arthur's Disasters Season HD Full Free on solarmovie.do. Watch King Arthur's Disasters tv series online free. Cartoon with King Arthur, Arthur's horse Alan, Merlin, Guinevere and Lancelot. Arthur (voiced by the...Cartoon with King Arthur, Arthur's horse Alan, Merlin, Guinevere and Lancelot. Arthur (voiced by the fabulous Rik Mayall, The Young Ones) and Merlin (voiced by brilliant Matt Lucas, Little Britain). The group gets up to lots of mischief with disastrous outcomes. Great for the kids and adults alike.