The "Science Guy" brought his formidable presence ― and understated sense of style ― to New York Fashion Week for a great cause.

On Feb. 4, that's exactly what he did during a New York Fashion Week appearance. The science educator, 69, flaunted his major style switch-up in a Thom Browne outfit during the 9th Annual Blue Jacket Runway Show in New York City.

Bill Nye the Science Guy returned to New York Fashion Week for the 9th annual Blue Jacket Fashion Show. The 69-year-old took the runway in a blue bomber jacket, shorts and sunglasses.

Bill Nye is making his mark on the catwalk! The beloved science educator stepped out as a model at The Blue Jacket Fashion Show ahead of New York Fashion Week. Bill sported a celestial Thom Browne bomber jacket with shorts,

Bill Nye previously walked in the Blue Jacket Show in 2017 and 2020, both times receiving significant attention for his bold runway appearances

Spring Fashion Week is officially underway, and walking in one of the shows is everyone’s favorite TV scientist, Bill Nye. Below, we have all the details on why he walked, which show he was in and the inspiring reason he teamed up with the brand in the first place.