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
Head (Blackadder) decomposed. However, Lord Percy notices that the head that Blackadder found on Farrow's spike is not actually Lord Farrow's, but rather that of Lord Ponsonby, another death row inmate whose execution was scheduled for Friday, meaning that Baldrick had killed the wrong man. Blackadder is relieved, until he remembers that the Queen is on her way to the prison at that very moment to visit Lord Ponsonby, and he hurries there just in time to pretend to be Ponsonby for the Queen, just as he had done with Farrow, despite Ponsonby only having one leg and a speech impediment. Head