Guest Stars Neil deGrasse Tyson as Himself Bill Nye as Himself Mike Menzel as Himself Alyssa Pagan as Herself Mike Massimino as Himself Dan Goldin as Himself Stefano Facchini as Himself Thomas Megeath as Himself Scarlin Hernandez as Herself Joseph DePasquale as Himself Dan Coe as Himself Saurabh Jha as Himself Seiji Fujimoto as Himself Cathy Menzel as Herself Amber Straughn as Herself Klaus Pontoppidan as Himself William Nelson as Himself (Bill Nelson) Lisa Dang as Herself Javier Alvarez Marquez as Himself Steven Longmore as Himself Yuichi Harikane as Himself Peter Abraham as Himself Yao-Lun Yang as Himself Kielan Wilcomb as Herself Dr. Becky Smethurst as Herself Dr. Thomas Zurbuchen as Himself
