Spring Fashion Week is officially underway, and walking in one of the shows is everyone's favorite TV scientist, Bill Nye.

Nah, bill nye the fly guy.” Other fans called his runway walk “so pure,” while another said that Nye was “living his best life.” Never miss a story — sign up for PEOPLE's free daily ...

Bill Nye the Science Guy, 69 ... At one point during his walk, he put on a pair of dark sunglasses. When he reached the end of the runway, he gave a playful salute and wave to the audience.