Squadron Leader Jack Steel and the Starblade. Episode 6, Mordred Takes a Bow 

Squadron Leader Jack Steel and the Starblabe
Episode 6 - Mordred Takes a Bow
With preparations for the alien landing falling seamlessly into place Jack and his friends have found themselves cornered by a resurrected Rasputin, now the loyal servant of Mordred Pendragon. With only a muddy branch to defend himself Jack now stares at death down the barrel of Qaxorian Particle Deconstitulator.
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Artwork by Ben Magrath