Do Gremlins ever turn back to Mogwai? I already searched in Google, but I can't find anything. I have not seen Gremlins yet, but I want to know before I see it.
The short answer is no. In neither film do we see any gremlins turning back into mogwai.
Frankly, the only thing we see the Gremlins do is cause havoc and then die horribly, usually turning to mulch or exploding, depending on whether the manner of their deaths is through violence or by exposure to sunlight.