It is likely a keyboard typo. "1l" instead of "1" or "Episode 1". Google understands this and usually corrects it to "Episode 1".
Before diving into Episode 1, let’s understand why Ninja Storm holds a special place in the Power Rangers franchise:
February 15, 2003 Hindi Dubbed Title: Toofan Ki Shuruaat (तूफान की शुरुआत)