Kramer's love of golf causes problems for George. Jerry meets an old friend from high school and tells her that George is a successful marine biologist making way for another classic moment in the show's history. George has to keep up a lie purported by Jerry and it gets him in trouble after, when Kramer was golfing on the beach, a whale gets something stuck in its blowhole.
This is a very funny episode. Larry David's line (Is anyone here a marine biologist?) punctuates another great Seinfeld season five episode. A winner in every way, shape and form. Another can't miss episode.