Synopsis:
George develops an uncontrollable wink when he is squirted in the eye with grapefruit juice from Jerry's new diet plan. His wink gives Kramer the incorrect go ahead to sell a birthday card signed by the entire Yankees team. Once Kramer learns of his mistake, he is forced to collect the birthday card from a young boy ill in the hospital. Meanwhile, Jerry's new grapefruit diet causes problems with his dating and Elaine starts dating a man from her wake-up service who unfortunately likes dogs.