|UK||2015||60||Drama . Crime . Adventure . Mystery|
Tommy has managed to find the missing scientist Gilbert Worthing and they are both being held against their will at Commander Haydock’s. Gilbert has managed to hide a vital key to his device before his capture, and that without it the bomb N and Haydock have stolen is entirely useless. Tuppence breaks into Haydock’s house and helps Tommy and Gilbert to escape and they attempt to retrieve the key from the strange place Gilbert hid it which is in the Sans Souci, where N is lying in wait.
|Episode Title:||N or M? - Part Three|
|Airs:||2015-08-30 at 09:00 pm|