Britney Spears arrested. The dramatic police pursuit that ended up putting the pop star behind bars. Her message today after multiple reckless driving incidents and her family’s desperate plan to save her. Then, Savannah Guthrie’s emotional return to her “Today Show” family as the search for her mother hits day 33. When she could return to her hosting chair. Plus, Khloe Kardashian reveals her plans for baby #3. And, the Oscars plan to honor Rob Reiner. Details on the tribute with a “When Harry Met Sally” reunion. Then, our fun-filled day with Nick Cannon and 3 of his 12 kids. Plus, a sneak peek at tonight’s epic “9-1-1: Nashville” Nashville vs. LA mash-up. Star Chris O’Donnell reveals his plans to get LL Cool J to join. And, ET gets rETrospective with John Slattery. From “Sex and the City” to “Madmen”, all the untold stories from his sets. Plus, a sneak peek at Ryan Gosling’s “SNL” return that comes with a big misunderstanding.