Perry Mason - Season 4 - Eps 22: The Case of the Cowardly Lion
Hilde Fursten and Tony Osgood work at the San Diego Zoo. When a new baby monkey is found missing, Hilde Fursten is blamed by Dr. Walther Braun, a visiting dentist. Boris Zelbowski also works at the zoo and is dating Frieda Crawson, Dr. Braun's nurse. That evening, Dr. Braun arrives at the zoo to perform oral surgery on a lion and is found dead in the lion's cage. Tony Osgood is accused of the murder when a witness sees someone wearing Tony's blue sportcoat near the lion's cage at the time.
About Perry Mason

Title: Perry Mason
First Air Date: 1957-09-21
Last Air Date: 1966-05-22
Status: Ended
Rating: 7.7/10 (from 123 votes)
Language: EN
Seasons: 10
Total Episodes: 271
Network: CBS
Genres: Mystery, Drama, Crime
Production Companies: Paisano Productions, TCF Television Productions, CBS
Synopsis
The cases of master criminal defense attorney Perry Mason and his staff who handled the most difficult of cases in the aid of the innocent.
Cast

Raymond Burr
Perry Mason

Barbara Hale
Della Street

William Hopper
Paul Drake

William Talman
Hamilton Burger

Ray Collins
Lieutenant Tragg