TOS: S1 E18 Arena

This episode was filmed at Vasquez Rocks to depict the exteriors of the Metron planetoid. Also, the exteriors of the destroyed Cestus III colony were filmed at an outdoor set near Vasquez Rocks. This set was an old fort built for the series Tales of the 77th Bengal Lancers (1956). For this episode, the fort was modernized and battle-scarred by the art department.
see link below, filming-of-arena.html, for the Production Diary of the episode.

Filming Locations

Vasquez Rocks Natural Area Park – Agua Dulce, CA
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