Kaley Cuoco Shares Why Rescuing Dogs Is the Hardest Thing After Losing Dumpy (Exclusive)

Kaley Cuoco chats with ET's Cassie DiLaura at the Los Angeles premiere of 'Based on a True Story,' streaming June 8 on Peacock. She opens up about filming the series while pregnant with her baby girl, Matilda, and the loss of her dog, Dumpy.