• 
  Andre Fenton

  5 episodes, 2018
• 
  Rana El Kaliouby

  5 episodes, 2018
• 
  Talithia Williams

  1 episode, 2018
• 
  Michelle Trautwein

  Self
• 
  Natalie Batalha

  Self
• 
  Matthew Botvinick

  Self
• 
  Tabetha Boyajian

  Self
• 
  Rodney Brooks

  Self

• 
  Arthur Caplan

  Self
• 
  David Charbonneau

  Self
• 
  Lili Cheng

  Self
• 
  George Church

  Self
• 
  Ken Clark

  Self
• 
  Danica Connors

  Self
• 
  Richard Cooper

  Self

• 
  Greg Corrado

  Self
• 
  David Cox

  Self
• 
  Marcy Darnovsky

  Self
• 
  Douglas Vakoch

  Self
• 
  Sara Seager

  Self
• 
  Peter Singer

  Self
• 
  Seth Shostak

  Self
• 
  Paul Davies

  Self
• 
  Avi Loeb

  Self
• 
  Priyamvada Natarajan

  Self
• 
  Pedro Domingos

  Self
• 
  Alex Filippenko

  Self
• 
  John Asher Johnson

  Self