Episode to September 21 in 9 Steps
- Episode was published by Warner-Tamerlane Publishing Co.
- Warner-Tamerlane Publishing Co. published Eddie Makes Three
- Eddie Makes Three was published by Six Continents Music
- Six Continents Music published The Library Card
- The Library Card is heard in The Courtship of Eddie's Father
- The Courtship of Eddie's Father featured Bill Bixby
- Bill Bixby starred in My Favorite Martian
- My Favorite Martian features an appearance by Henry Gibson
- Henry Gibson was born on September 21