Baldrick plan" made its first appearance in the pilot episode, but it is not regularly used until the third series; Blackadder had mentioned the phrase twice in the first series and Baldrick once. Baldrick had also claimed to have "a plan" in a "cunning" voice on one occasion in "Blackadder II". In the final episode of the last series, "Blackadder Goes Forth", Baldrick announces that he has a cunning plan to save the main characters from "going over the top", although it is never revealed what this plan might be (other than that it is "as cunning as a fox who's
Blackadder: The Cavalier Years won't have a friendly face to sit on this side of Boulogne!"). During Sir Edmund's short absence, Oliver Cromwell (Warren Clarke) himself arrives at Blackadder Hall, accompanied by a number of his Roundheads — supporters of the Parliament of England. Baldrick attempts to deny knowing the King's whereabouts, but blows the gaff when he asks Cromwell later to put down a cup, "because it's the king's". The second scene takes place in the Tower of London, two weeks later. King Charles's prayers are interrupted by two subsequent visits. The first is from Cromwell who warns him of his doom and