Season 1
Season 2
Season 3
S3.E0 ∙ Unlocking the SecretsS3.E1 ∙ The New WorldS3.E2 ∙ Being Tom BaldwinS3.E3 ∙ Gone: Part 1S3.E4 ∙ Gone: Part 2S3.E5 ∙ Graduation DayS3.E6 ∙ The Home FrontS3.E7 ∙ BlinkS3.E8 ∙ The Ballad of Kevin and TessS3.E9 ∙ The Starzl MutationS3.E10 ∙ The Gospel According to CollierS3.E11 ∙ Terrible Swift SwordS3.E12 ∙ Fifty-Fifty
Season 4
S4.E1 ∙ The Wrath of GrahamS4.E2 ∙ Fear ItselfS4.E3 ∙ Audrey Parker's Come and GoneS4.E4 ∙ The Truth and Nothing But the TruthS4.E5 ∙ Try the PieS4.E6 ∙ The MarkedS4.E7 ∙ Till We Have Built JerusalemS4.E8 ∙ No ExitS4.E9 ∙ Daddy's Little GirlS4.E10 ∙ One of UsS4.E11 ∙ Ghost in the MachineS4.E12 ∙ Tiny MachinesS4.E13 ∙ The Great Leap Forward