Star Trek episode "Balance of Power"

"Balance of Terror" Season 1, episode 14.

One of the best episodes ever.

The first Romulan episode, with Mark Lenard playing the Romulan captain well before we see him playing Sarek, Spock's father, later. The chess game he plays with Kirk is fantastic, a definite inspiration for the starship battle in Wrath of Khan.

Throughout the episode, the Enterprise takes "22 casualties" but we find out that only one man has died: Tomlinson, the would-be groom before the action.

This is in the top ten best Star Trek episodes, throughout any of the incarnations of the franchise.

Just watch and enjoy. Nuff said.