Big Bang Theory star Kaley Cuoco is in some hot water with her network after tweeting an endorsement for rival Dish Network, who is currently locked in a legal battle with her home network of CBS, Breaking Celebrity News is reporting.

"Amazing! Watching live TV anywhere on the #Hopper looks pretty awesome! Now where can I find a tiny beer? #ad," Kaley tweeted on Wednesday with a link to the Hopper commercial.