- Jerry Seinfeld (Jerry Seinfeld)
- Jason Alexander (George Costanza)
- Michael Richards (Cosmo Kramer)
- Julia Louis-Dreyfus (Elaine Benes)
Seinfeld — S9E4
Episode: The Blood
Air Date: 1997-10-16
Runtime: 22 min
Overview
Kramer stores his own blood to avoid a blood-bank fee; George tries to combine his two passions, sex and food; Elaine's plan to show responsibility backfires; Jerry trains with fitness guru Izzy Mendelbaum.