Task: Question Generation
Input (English): 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. 
Subject : Blackadder Goes Forth 
Relation : original network
Output (English): Where can you find the show Blackadder Goes Forth?