The only way to keep players from doing something stupid is to Just Keep Talking.
Sadly, there is no way to keep the DM from doing something stupid, although offing one of his favorite NPCs might shut him up for a couple of minutes.
Final Fantasy X
A game about the ghost of an underwater football player who travels through time to save the world from a tick that controls kaiju satan. Really.
Lost Laughs in Leisure Suit Larry
Why was this classic adventure game so funny in the 80's, and why did it stop being funny?
How to Forum
Dear people of the internet: Please stop doing these horrible idiotic things when you talk to each other.
Silent Hill Origins
Here is a long look at a game that tries to live up to a big legacy and fails hilariously.
DM of the Rings
Both a celebration and an evisceration of tabletop roleplaying games, by twisting the Lord of the Rings films into a D&D game.