How many seasons does Trials of O'Brien have?

Trials of O'Brien has 1 season with 22 episodes.

When did Trials of O'Brien premiere?

Trials of O'Brien premiered on September 18, 1965.

Trials of O'Brien

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CBS Ended Drama Mystery Legal

1 Season · 22 Episodes · Premiered September 18, 1965 · Ended March 18, 1966

Trials of O'Brien was a drama series that aired on CBS from 1965-1966. The series centered on Daniel O'Brien, a flamboyant Shakespeare quoting New York Defense Attorney.

Where to Watch: CBS

Official Site

Next Air Time: No upcoming air date

Seasons & Episodes

Season 1

22 episodes 1965

Cast

Peter Falk as Daniel J. O'Brien

Joanna Barnes as Katie O'Brien

David Burns as The Great McGonigle

Elaine Stritch as Miss G

Ilka Chase as Margaret

View all 5 cast members →

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