The Wig Master [SEP] series
The Wig Master
"The Wig Master" is the 129th episode of the NBC situation comedy "Seinfeld". This was the 19th episode for the seventh season. It aired on April 4, 1996.
Plot.
When Jerry leaves an upscale clothing store without making a purchase, he feels guilty and promises that he will return. When the sales clerk Craig Stewart, who sports a long ponytail, looks skeptical, Jerry decides to return (with Elaine), just to prove a point. But when they
cast wearing different costumes and hairstyles throughout the series. That includes "The Puffy Shirt", "The Barber", "The Wig Master", "The Subway", and "The Reverse Peephole".
Plot Part 2.
Jerry continues to reflect the nine years that have passed until Kramer (in character) comes up to get Jerry. He then breaks the fourth wall by noticing the camera and smiling. 
More clips are seen and finally the closing minutes feature a series of bloopers, behind the scenes