Caitriona Balfe and Sam Heughan, the stars of "Outlander," put their friendship to the test with a hilarious game of "How Well Do You Know Your Co-Star?" Get ready to laugh as they reveal surprising details about their first jobs, childhood celebrity crushes, and even their favorite movies! The stakes are high as they try to guess each other's answers, but will they be able to prove just how well they know one another? Let's watch and find out!