David Duchovny, Brielle Ellen: The Ellen DeGeneres Show : Season 13 Episode 189

DAVID DUCHOVNY is here! He reprised his role in one of the longest-running sci-fi shows on television, "The X-Files," and he's bringing back the mystery when he opens up his secrets to Ellen! Fans old and new will love the updates David has from the set of his popular show... get ready to enter the twilight zone! Plus, she's back with more to teach us about the world... this time, the human body! Ellen's 4-year-old science expert BRIELLE returns for another lesson!