Dos Equis jumped the shark when they came out with a new "most interesting man in the world" ad and it was lame.
Has anyone else seen it? The stupid pick up line thing. So lame. "The best time to use a pick up line is...never. I'll let you figure out the place on your own."
Nintendo jumped the shark when they decided gimmicks were more important than content (starting with the Virtual Boy with a nod to ROBBIE the robot, and ending with that Wii abortion).
Sega jumped the shark when they decided Sonic needed a backstory and 50 kajillion friends/enemies.
Sony jumped the shark when they decided to make a game system that only MIT grads can program on.
Microsoft jumped the shark...ehhh....too easy.
The Simpsons jumped the shark when they decided Lindsay Negle was a character whose voice didn't want to make you claw your eardrums out.