I must confess a secret liking for Charlie X
- but that's probably just nostalgia talking...
Don't feel alone. I liked that episode a lot, too, even with the lyre scene. Kirk had a lot of funny, uncomfortable moments trying to play "dad" to the creepy kid-too-old-to-be-a-kid. Yeoman Rand had some good screen time and actually some useful things to do for a change, and I even liked the end when Kirk realized that it was true, Charlie couldn't co-exist with human beings without being thrown into a destroy or be destroyed paradigm. Good early Trek stuff.