Sony Pictures Television, producer of the long-running “Wheel of Fortune” and “Jeopardy!” TV programs, is suing CBS, the game shows’ distributor, for breach of contract. Sony claims that CBS entered into unauthorized licensing deals for the shows ...

Now a legal fight has erupted between the companies behind the game shows.Sony Pictures Television—which makes “Wheel of Fortune” and “Jeopardy!”—is suing CBS, the distributor, for allegedly undercutting the value of the shows to serve its own interests.

You don't need to guess too many vowels and look for a Daily Double to know that today Sony and CBS are both getting a strong lesson in why it's called show business and not show friends, and how the rules are no game.