Kaley Cuoco, Melissa Rauch Photo

From: Photo Flash: THE BIG BANG THEORY's 'The Closure Alternative,' Airing 4/25

On THE BIG BANG THEORY's upcoming episode, titled 'The Closure Alternative,' Sheldon feels lost after one of his favorite TV shows gets canceled too soon and Amy tries to help him get over his compulsive need for closure. Meanwhile, Raj discovers a secret about his new love interest, Lucy, on Thursday, April 25 (8:00 - 8:31 PM, ET/PT) on CBS.