No. Copyright was renewed in 1988, and the show will be protected through 2057.
The characters and basic premise are in the public domain, as is the radio show, but the television show and all materials created after 1948 are controlled by CBS.
There are quite a few television shows in public domain. Some of the public domain T.V. shows are "Bonanza", "The Beverly Hillbillies", "Amos 'n' Andy", and "The Dick Van Dyke Show".
No; they are all protected by copyright.
No.
The Gladys Knight and the Pips Show - 1975 was released on: USA: 10 July 1975
No; such a work would be in the public domain and cannot be retroactively registered.
No. Works published between 1964 and 1977 are protected for 95 years after their publication date.
Bewitched, of course!
Your question cannot be answered since there is no such actress named Gladys Pierce from the show Bewitched.
Episodes that were properly renewed are controlled by MGM; however, some episodes were not renewed and have entered the public domain.
The Pete Holmes Show - 2013 was released on: USA: 28 October 2013
"The Adventures of Pete & Pete