On ABC's new sitcom Samantha Who?, Christina Applegate's character Samantha Newly wakes up with amnesia after being hit by a car. The result? A hilarious search about getting in touch with her new self after learning she was someone with no redeeming qualities before her accident. Hear what she–and costar Jean Smart (who plays Samantha's mom)–have to say about why split identity can be funny.
Premieres: Monday, 9:30 p.m. ET.