Blackadder the Third - He's Alive!
In the episode With Tim McInnery as the Scarlet pimpernel, there is a fake Scarlet pimpernel, (his friend), who comes to save blackadder and baldrick while they are in prison. Blackadder has given him the suicide pill. The Fake Scarlet pimpernel jumps into the corner and dies. Or does he? When Blackadder and Baldrick walk out the Prison Cell, The Fake Pimpernel is CLEARLY still breathing as you can see his chest move in and out.