"The Ascent" is the 107th episode of the television series Star Trek: Deep Space Nine, the ninth episode of the fifth season.

Nog, played by Aron Eisenberg, is a recurring character on the science fiction television series Star Trek: Deep Space Nine (DS9). A member of the profit-driven alien species known as the Ferengi, he becomes the first Ferengi to join Starfleet, where he excels as first a cadet, and then an officer. He is the nephew of the Ferengi bartender Quark, a major character on the series; the son of Quark's brother Rom; and a close friend of Jake Sisko, the son of Deep Space Nine's protagonist Benjamin Sisko. Episodes of the series often paired Nog with Jake.