The BEST episodes written by Marc Jaffe
#1 - The Limo
Seinfeld - Season 3 - Episode 19
When George's car breaks down at the airport, Jerry coolly convinces a waiting limo driver that they are his intended passengers. Their clever ruse turns ominous, however, when they learn the real client is a neo-Nazi -- and they're en route to a rally where violent protesters are eager to get their hands on their quarry.
#2 - The Pick
Seinfeld - Season 4 - Episode 13
Elaine is mortified when she accidentally reveals a bit too much décolletage on her Christmas card, which she has sent out to everyone she knows. Meanwhile, Jerry tries to convince his skeptical new girlfriend, a model, that he practices good hygiene. Elsewhere, Kramer is asked to pose for a risqué underwear advertisement.
#3 - The Bookstore
Seinfeld - Season 9 - Episode 17
A bookstore busts Uncle Leo for shoplifting and George for bathroom reading; a misdeed at a company party costs Elaine; Kramer and Newman get a rickshaw, and audition homeless people to pull it.