Guest Stars Neil deGrasse Tyson as Himself Bill Nye as Himself Amber Straughn as Herself Mike Menzel as Himself Mike Massimino as Himself Saurabh Jha as Himself Stefano Facchini as Himself Dan Goldin as Himself Scarlin Hernandez as Herself Alyssa Pagan as Herself Joseph DePasquale as Himself Dan Coe as Himself Seiji Fujimoto as Himself Cathy Menzel 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 Thomas Megeath 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
