How I Met Your Mother cast How I Met Your Mother cast

The cast of How I Met Your Mother stopped by The Late Show with David Letterman Monday to read the episode's Top 10 list. The topic? "Surprises in the final episode of How I Met Your Mother."

How I Met Your Mother: Ranking Ted's ladies

The HIMYM series finale airs March 31, but fans can get a few early teases in the video below, including this one: "For some reason, we're all naked," star Cobie Smulders says. 

Watch the HIMYM Top 10 below:

How I Met Your Mother airs Mondays at 8/7c on CBS.

(Full disclosure: is owned by CBS.)