On "Seinfeld," the item stolen from Elaine that Kramer was supposed to guard on the sidewalk was an armoire.
The storyline appears in "The Soup Nazi," the sixth episode of the show's seventh season. Elaine finds the wooden storage cabinet on the street and arranges for it to be moved to her apartment. Until transportation arrives, Kramer agrees to keep watch over it.
Kramer’s guard duty goes badly when two intimidating street toughs confront him and take the armoire. He later tries to make things right by obtaining Elaine a replacement from the Soup Nazi, who unexpectedly owns an identical piece of furniture.
An armoire is a tall cupboard or wardrobe, traditionally used for storing clothing or household linens. The scene is memorable because the furniture’s unusual name, Kramer's exaggerated sense of responsibility, and the absurd sidewalk theft all become part of the episode’s comic rhythm.