Kayro filed an entry for the animated television episode as published during the release date.
Kayro didn't renew an entry for the animated television episode within the required 28-year period between 1988 and 1989.
Searching (with limits) in the post-1978 catalogues at the United States Copyright Office, no renewal entry results have been found except four rightsholder transfers.
After the failure of copyright renewal, the animated television episode automatically entered the public domain on the first day of January 1990 and is freely available and distributable in both physical and digital formats.
Licensering
Public domainPublic domainfalsefalse
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
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