We're kicking off season 10 of 4Play this week the one and only Alex Jacob! Join in, play along, and see who does better: you or a Jeopardy! All-Star!

Here are today's clues:

1. Primary 90s resident of "Number One Observatory Circle", Arnold's Television Successor, Baseball League, O'Neill Character. 2. Beyonce Tune, Windows Operating System, Maisie Williams Doctor Who Character, Jim Carrey Film. 3. Sherrie, Sandra, Sadaharu, Henry. 4. A Completed Turn at Bat in Baseball, Protactinium, Kettle, Andy Taylor Nickname.