She knows how to find clues! But, there is one thing she is NOT. . . a dog. You heard that right, Loyal Theorists. Blue is NOT actually a dog. So what is she? You’ll have to watch to find out!

Stephen Colbert is all of us after watching original 'Blue's Clues' host Steve Burns' touching video about leaving the show in 2002. Nickelodeon is commemorating 25 years of 'Blue’s Clues' with ...

Ingrid Vasquez is a Digital News Writer at PEOPLE. She graduated from The University of Texas at Austin with a Bachelor in Journalism. Before joining the team, she worked as an Editor at FanSided ...