Seinfeld The Letter (TV Episode 1992) - IMDb

Robert Mailhouse - IMDb

Seinfeld The Keys (TV Episode 1992) - IMDb

Michael Richards - Credits (text only) - IMDb

Seinfeld The Cartoon (TV Episode 1998) - IMDb

Seinfeld The Letter (TV Episode 1992) - IMDb

The Merv Griffin Show (TV Series 1962–1986) - News - IMDb

Best comedy TV shows of the '70s – The Mercury

Seinfeld The Parking Space (TV Episode 1992) - IMDb

Eugenia (from the cougar dating episode) in the pilot of Seinfeld. She was replaced by Julia Louis-Dreyfus after it got picked up : r/psych

Seinfeld The Baby Shower (TV Episode 1991) - IMDb

Seinfeld (TV Series 1989–1998) - Episode list - IMDb