They might not be dating in real life anymore but they're definitely taking their Big Bang Theory relationship to the next level.
The hit show's frontrunners Kaley Cuoco and Johnny Galecki (Penny and Leonard) recently shot a wildly racy scene deemed 'too hot' by some networks.
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To give you an idea of what it's like, Cuoco shared a behind-the-scenes snap of the pair wearing a bright, fitted corset she writes took "15 minutes to get on."
Her co-star Johnny Galecki, who she is married to on the show, stands next to her with an S&M toy in hand while dressed in leather chaps with his signature glasses tucked into one of his bondage straps.