A tendency for villains to carry a vial of the antidote to the poison he or she just gave the hero under their shirt for absolutely no reason whatsoever. It can go down in several ways. One commonly used method is for the hero to spend the episode trying to scrounge up the ingredients to the cure from scratch, quickening the drug in the process, only to fail and be informed by the villain that they had it all along. Is also regularly executed during a trade off, with the villain receiving what they want but Withholding the Cure. One has to wonder why they felt the need to bring the real deal if they were planning on cheating out the hero anyway. Another more humorous subversion is for the villain to reveal the vial and have it snatched from or knocked out of their hand before they can even