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
Edmund Blackadder who shot Harold II at The Battle of Hastings. Blackadder is a genuine surname, its usage in the UK currently documented back to the 15th century, which may explain the choice of the name, with the first series being set in this time period. The name is thought to be mostly Scottish in origin, which is not contradicted in the series, as the first Blackadder begins as the Duke of Edinburgh. In the third series it is revealed that a branch of the Blackadder family is a significant clan in Scotland, although they have become known by the name MacAdder.