After watching these episodes so many times, the plot means little in comparison to the shows many gags. The scene between Blackadder and Darling in the hospital room is one of the funniest scenes of all time
'For God's sake I'm as British as Queen Victoria'
B: 'So your father's a german, your half German and you married a German.' Brillant
Melchett cracks me up
M: Operation winkle
M: Yes to winkle out the spy
D: You never mentioned this to me sir?
M: Well we have to have some secrets, don't we darling?
Miranda Richardson returns and turns out to be a German Spy who falls in love with Blackadder and we find out that Blackadder was only using her. Nurse Mary: I thought you loved me