Following our deep dive discussion of "Let That Be Your Last Battlefield," we hope you will enjoy our special interview with Lou Antonio, who played "Lokai."

A 50,000-year chase through the galaxy comes to a head on the starship Enterprise, when Commissioner Bele of the planet Cheron finally catches up with his rebellious opponent, Lokai. That puts Captain Kirk in the middle of a heated battle between two warring factions, the outcome of which could lead to the destruction of the Enterprise by Kirk's own hand. Whenever "Star Trek" has been praised for exploring social issues, "Let That Be Your Last Battlefield" is usually the first episode that's mentioned. Whether or not that makes it a great episode depends upon your appreciation for its heavy-handed approach, but a closer look actually reveals more subtleties and layers than it is often given credit for. It also features superb performances from guest stars Frank Gorshin (Bele) and Lou Antonio (Lokai), not to mention the standout scene where Kirk threatens to destroy the Enterprise. But without question, the most important aspect of "Battlefield" is its message about the absurdity of racism, which is just as timely and relevant now as it was in the late-1960s.

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