The series that began the franchise, Mighty Morphin Power Rangers (an American adaptation of the 1992 Japanese Super Sentai Series, Kyōryū Sentai Zyuranger), began broadcasting as part of the Fox Kids block of programing that aired on the Fox network. It lasted for three seasons (from 1993 to 1996).
Cutting onions irritates the lachrymal glands, causing them to excrete tears. Chewing gum while cutting onions prevents tears by forcing you to breathe through your mouth. This disperses the irritant so that a significantly smaller amount reaches the lachrymal glands, preventing them from being irritated enough to release tears.