In the 1970s a man becomes paranoid that androids are out to kill and replace him so he kills everyone around him until he is apprehended and it is revealed that he, too, is an android.
A man and his girlfriend attempt to buy the secret of immortality from a Gypsy for 100,000 dollars. He gets the money through robbery and buys the secret from the Gypsy. At first, he is glad because he can walk through bank guard's bullets and only be tickled, but when his flesh rots off, he realizes his girlfriend held out on the Gypsy and he returns to their apartment to kill her.
Twin brothers are always competing with each other but the one who was born first always gets the idea slightly before the other. The later brother decides he's had enough and is going to murder the first born twin, but yet again, he gets the idea just a little slower than the other man.
A husband is bored with his wife so he kills her and intends to bury her in the cellar, but he forgets that today is their wedding anniversary and when he carries her body down the stairs and turns on the lights, the neighbors are gathered there for a surprise party the wife had arranged.