In its first two seasons, the show was hosted by three commentators: Geoff Desmoulin (biomedical scientist and high speed camera operator), Dr. Armand Dorian, (medical consultant), and Max Geiger (simulations programmer).
Dalam dua musim pertamanya, acara ini memiliki tiga orang komentator: Geoff Desmoulin (ilmuwan biomedis dan operator kamera berkecepatan tinggi), Dr. Armand Dorian (konsultan medis), dan Max Geiger (pemrogram simulasi).