Given the task definition and input, reply with output. Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Blackadder Goes Forth is the fourth and final series of the BBC sitcom Blackadder, written by Richard Curtis and Ben Elton, which aired from 28 September to 2 November 1989 on BBC One.
Answer : BBC One
Where can you find the show Blackadder Goes Forth?