Plot summary
Jerry is dating Nina ( Catherine Keener ), an artist who is jealous of Elaine still being close to him. Despite not understanding art, George succumbs to pressure to buy a painting from Nina, not realizing that it costs $500. The group gets box seat tickets for Yankee Stadium, and Elaine attends after giving her boss a fake excuse, but an altercation gets her photo printed in the paper incriminatingly. Jerry breaks up with Nina over her possessiveness, but he is touched when Nina leaves him a passionate love letter on red stationery. Nina paints a portrait of Kramer, which captivates a socialite couple.
Credits
Adapted from Wikipedia contributors, Seinfeld season 3. HTML formatting and reference markers removed.