Even though Nico Minardos (Luis Armejo) was born in Athens, Greece, throughout his career he was usually cast as native Spanish speaking characters.
One of the only two episodes from season 1 (1967-1968) without a laugh track.
In this episode, Sally Field (Sister Bertrille) plays the guitar and sings a ballad. A soundtrack LP featuring songs from the series sung by her, titled "Star of The Flying Nun," was released by Colgems in 1967.
Arlene Martel (1936-2014), cast as 'Manuela Garcia', played the now iconic role of 'T'Pring' (Spock's Vulcan bride) on Amok Time (1967).
This episode is set in the town of Esperanza. The real town in Puerto Rico is in the south side of the island of Vieques, not reachable by bus from San Juan.