Bonanza Boomers

I saw yesterday "R ist the fourth right". ( I'm not sure if the title is right). I saw Adam in a school, I had a good time by watching it. But I was in need of seeing him more with pupils by teaching. I wanted to see him teaching reading.
A as Adam, B as Ben, C as Cartwright, D as..................dont know....... Lessons would be very intersting with Adam as a teacher (all in black with that look)...