This article lists the episodes and short summaries of the first 22 episodes of the Ranma ½ Nettōhen (らんま ⁠1/2⁠ 熱闘編) anime series, known in the English dub as the second season of Ranma ½ or "Anything-Goes Martial Arts".

The first TV series was canceled due to low ratings in September 1989, but was then brought back a month later as the much more popular and much longer-running Ranma ½ Nettōhen.

The first 22 episodes of Nettōhen are season 2, which was given the titled "Anything-Goes Martial Arts".

For episodes 7 to 13 the opening theme is "Little★Date" (リトル★デイト, Ritoru Deito) by Ribbon, with "Ranma You Pervert" following as a refresher.

The third closing theme is "Don't Mind China Boy" (ド·ン·マ·イ来々少年, Don Mai Rairai Boi) by Etsuko Nishio.