Ep 43. Sienna Miller, Steve Schirripa

Conan O'Brien welcomes Sienna Miller, a British actress and model, to the show. Miller is known for her roles in movies such as "Layer Cake," "Alfie," "Factory Girl," and "The Edge of Love." She talks to Conan about her recent role in the hit movie "American Sniper."

In addition to Sienna Miller, Steve Schirripa makes an appearance on the show. Schirripa is an actor, producer, and author, best known for his role as Bobby Baccalieri on the television series "The Sopranos." Schirripa shares stories from his time on the show and about his new book, "The Goomba's Book of Love."

During the segment "In the Year 2000," Conan and Sienna predict what will happen in the future. They make outrageous predictions about everything from sports to politics to technology.

Later in the show, Conan invites musical guest The Hold Steady to perform. The band performs their hit song "Chips Ahoy!" from their album "Boys and Girls in America."

Conan also takes time to interact with the audience, taking questions and comments from fans in the crowd. One fan asks Conan about his time on "Saturday Night Live" and he shares some humorous anecdotes about his experiences on the show.

Throughout the show, Conan shows off his trademark humor and wit, making the audience and his guests laugh with his off-the-cuff remarks and funny insights. The Tonight Show with Conan O'Brien season 1 episode 43 is an entertaining episode that showcases some of the biggest names in entertainment and highlights Conan's unique comedic style.