The only PD episode of Burke's Law. Episode Title: "Who Killed Jason Shaw" S1 E15 This show was originally set to air on 22 November 1963. It was pushed back by the network's coverage of John F Kennedy's assassination. This film is in the public domain because its copyright was not renewed in 1991, which was the necessary time for any film with a date in notice of 1963.
You can stream Burke's Law (1963) free and legally on OldReel, via the Internet Archive.
Yes — it is in the public domain and can be watched and shared freely.