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