Step 1 : Introduction to the question "In an episode entitled "The Letter", Kramer poses for a portrait, Elaine has an embarrassing moment at a baseball game and George spends too much money for a painting. What is the name of this popular sitcom?"
...This particular episode of "Seinfeld" is very popular among fans of the show. Jerry has received a very poignant letter from his girlfriend, but later he discovers that the contents are a plagiarism of a well-known Broadway play by Neil Simon. Hence, the title. In a subplot of the episode, Kramer's portrait is described as follows, by an elderly couple wishing to buy the portrait, "He is a loathsome, offensive brute, and yet I can't look away."