Jan. 1 marks the dawn of a new era for Popeye and Tintin. It's the day the nonagenarian cartoon characters officially enter the U.S. public domain along with a treasure trove of other iconic works.

Popeye: 33 Cartoon Classics – 4 Hours is available to watch on Amazon Prime Video. Amazon Prime Video is a popular streaming service which provides access to thousands of different shows, movies ...