I enjoy watching Forged In Fire, the judges do a good job of constructive criticism with each contestants blade.
I get a kick out of watching the faces of the bladesmiths when their blade is used to chop cow bones or a pig carcass and then see Doug grin and say, "this knife will cut!"
The final challenge of recreating a knife from history is very educational.
I watched a YouTube video of one of the bladesmiths who appeared on the show, there are no fans running to cool the studio down because they would mess up the audio. The contestants are working in 100 degree temperature at times, there have been a few cases of heat exhaustion during filming.