Ep 18. The Raincoats (1)

In Seinfeld season 5 episode 18, titled "The Raincoats (1)," Jerry and his girlfriend Rachel (played by Melanie Smith) run into Jerry's parents, Morty and Helen Seinfeld, on the street. Morty proudly announces that he and Helen have been invited to stay at a friend's oceanfront mansion in the Hamptons for the weekend. Meanwhile, Kramer is excited to see one of his favorite movie stars, Buck Showalter (played by Warren Frost), who is filming a movie in New York City.

Jerry and Rachel decide to join Morty and Helen at the Hamptons mansion, but quickly find themselves feeling bored by the uneventful weekend. Rachel also becomes annoyed with Jerry's parents constant criticism of Jerry's every move. Meanwhile, Kramer befriends Buck Showalter and persuades him to come to the mansion for a weekend visit.

Back in New York, George is excited about the new raincoats that he and Jerry's dad are planning to sell to a local clothing store. However, the store's manager is less than impressed with the raincoats and George once again finds himself in a difficult situation.

As the weekend in the Hamptons progresses, tensions continue to rise between Jerry and his parents, as well as between Jerry and Rachel. Kramer's visit with Buck Showalter also doesn't go as planned, leading to even more chaos.

Overall, "The Raincoats (1)" is a humorous exploration of family dynamics and the ups and downs of weekend getaways. With its iconic blend of humor and absurdity, this classic Seinfeld episode is a must-watch for fans of the show.