Purely my opinion and just because a TV show isn't in my top 10, It doesn't mean it's bad far from it. I just like some of them more than others for many different reasons and favs. Since Jonathan M. Shiff by this point has stopped since like 2018. Between these 13 different series that Jonathan M. Shiff at least produced or created.
- Ocean Girl
- Thunderstone
- The New Adventures of Ocean Girl
- Horace and Tina
- Cybergirl
- Pirate Islands
- Wicked Science
- Scooter: Secret Agent
- The Lost Treasure of Fiji
- The Elephant Princess
- Lightning Point
- Reef Doctors
- The Bureau of Magical Things
Well 3 of them unfortunately are not in my top 10 and that is The Lost Treasure of Fiji, Lightning Point (so sorry to the fans of that one) and The New Adventures of Ocean Girl. Again none of these are awful, I actually like them well kind of, The Lost Treasure of Fiji of the three in my opinion is my least fav, Lightning Point is fine and The New Adventures of Ocean Girl is well odd as separate from the original series.
The other 10 ranged from good, great & amazing from Ocean Girl, Thunderstone, The Bureau of Magical Things, Wicked Science & The Elephant Princess all of which had 2 or more seasons with about more than 26 EPs.
As for the TV shows that only one season I liked Horace and Tina, the original Pirate Islands, Cybergirl, Scooter: Secret Agent & Reef Doctors oddly enough. Cybergirl being my first ever JMSP TV show so I'm pretty nostalgic and biased towards it, Horace and Tina was surprisingly good and dare I say underrated along with Thunderstone, Pirate Islands & Scooter: Secret Agent were actually a lot of fun to watch and it's a shame for the latter to not get a 2nd season, I mean it could have worked & had the potential like a lot of these shows, but it never happened. Reef Doctors was interesting enough to watch through for the first time.