Captain Kirk's iconic line 'Beam me up, Scotty' became a pop culture phenomenon.
Spock's emotional farewell in 'The Wrath of Khan' left fans in tears.
The introduction of the Klingons in 'Errand of Mercy' added depth to the series' lore.
The mind-bending episode 'The City on the Edge of Forever' showcased the show's storytelling brilliance.
The epic battle between Kirk and the Gorn in 'Arena' remains a fan favorite.
The groundbreaking interracial kiss between Kirk and Uhura in 'Plato's Stepchildren' made television history.