What episode did goku fight the androids 1617and 18?

Goku first fights Android 17 and Android 18 in "Dragon Ball Z" during the "Android Saga," specifically in episodes 175 and 176. In these episodes, Goku encounters the Androids after they are introduced, showcasing their abilities and the threat they pose to him and his friends. The battles highlight the increased power of the Androids and set the stage for the ensuing conflict in the series.