Zorro - Season 1 - Eps 22: The Unmasking of Zorro
The plans of the fake commandante and the magistrado go awry when Ortega spots Diego talking to Rosarita Cortez, a childhood friend who has recently returned from the capital. Ortega fears she will recognize him from her journey, for it was during that trip that he murdered the real Ortega and assumed his identity. Bernardo overhears the two villains planning her death, and notifies Diego.
About Zorro

Title: Zorro
First Air Date: 1957-10-10
Last Air Date: 1959-07-02
Status: Ended
Rating: 7.5/10 (from 169 votes)
Language: EN
Seasons: 3
Total Episodes: 78
Network: ABC
Genres: Western, Action & Adventure, Drama, Comedy, Family
Production Companies: Walt Disney Productions
Synopsis
Diego de la Vega, the son of a wealthy landowner, returns from his studies in Spain and discovers that Los Angeles is under the command of Capitan Monastario, a cruel man who relishes in the misuse of his power for personal gain. Knowing that he cannot hope to single-handedly defeat Monastario and his troops, Diego resorts to subterfuge. He adopts the secret identity of Zorro, a sinister figure dressed in black, and rides to fight Monastario's injustice.
Cast

Guy Williams
Don Diego de la Vega / Zorro

Gene Sheldon
Bernardo

Henry Calvin
Demetrio López García