Halle, who just celebrated her 49th birthday last week, was on hand to promote her CBS show on "Jimmy Kimmel Live."
During her interview, Halle complimented Jimmy Kimmel on his beard while he thanked her for flaunting her bra on the show. While the two chatted, they discussed life on other planets and reflected on their marching band days.
Watch Halle reveal her favorite instrument and why she likes it. "Extant" airs on Wednesdays on CBS.