Sometimes, Amazon Prime Video offers a few episodes for free as a teaser. The full Hindi-dubbed series is available with a Prime subscription, but they occasionally run promotions where the first season is free with ads.
Sony LIV or Amazon Prime sometimes offer free 7-day or 30-day trials. You can sign up, binge all the Hindi episodes of Jimmy Neutron, and cancel before being charged. Just remember to cancel! Jimmy Neutron In Hindi Full Free Episodes
If you are searching for specific episodes, here are the fan-favorite titles you should look for in Hindi: Sometimes, Amazon Prime Video offers a few episodes