1x7 - The Legend of King Arthur

Guinevere finds herself on trial after Mordred accuses her of adultery with Lancelot, leading for him to call for her to be burned at the stake. Bors resigns in protest and joins forces with an escaped Lancelot to rescue Guinevere from her funeral pyre. Unfortunately, the rescue takes two knights as casualties, leading to Mordred to persuade Arthur to seek revenge on her with an army to France, where they are hiding out.