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: Back & Forth finds it has actually worked. They are now in the Cretaceous Period, where they are attacked by a "Tyrannosaurus". They throw away their wager items but are eventually able to knock it out using the underpants. Blackadder comments that one of lifes mystery has been solved and that the dinosaurs were actually wiped out by Baldrick's underpants. Baldrick admits that, as he never got round to writing the dates on the dials, they cannot return to the present. Blackadder and Baldrick return to Blackadder Hall but during the reign of Queen Elizabeth I (Miranda Richardson) who, mistaking him for his