After Kramer splatters the tomato juice all over the garbage can and the walls near it, he attempts to clean it off the walls, but clearly leaves some still visible. A second later, the walls and even the garbage can are perfectly clean.
The clock George steals from Heather early on is just a clock, with no alarm function. When he meets up with Heather later on, an alarm goes off, letting Heather know George had her clock. The clock Goerge takes out of the bag has a mechanical alarm and is not the same clock he stole.
When Seth says, "Jerry, I lied," he is carrying a container of broccoli. In the next shot, the container has disappeared so that Seth can use the PA system.
Immediately after Elaine (Julia Louis-Dreyfus) & Jerry (Jerry Seinfeld) leave to buy the hat Kramer (Michael Richards) can be seen picking up the ice-cream container, but a second later it's gone again.
When Kramer (Michael Richards) throws out the cereal he poured tomato juice in, we see the cereal boxes change locations on the counter top numerous times.
In this episode, Jerry (Jerry Seinfeld) says Kramer's (Michael Richards) friend Bob Saccamano sells Russian hats in Battery Park. However, back in episode 2.8, The Heart Attack (1991), Kramer stated that Bob always sits in a chair by the window all the time repeating "My name is Bob" after a botched operation.