It was a good TV show when I was a kid. My Mom dreaded that I watched such nonsense and that it would certainly ruin me. I didn’t get any smarter by watching the show. It provided me with clean entertainment as compared to the woke TV the kids get now.
There were some things that didn’t make sense.

The professor could charge batteries for their radio by stirring coconuts, but couldn’t fix the Minnow?
Finally, my answer. It was Ginger, My how things have changed…

She’s the only one of the cast left