S1.E1 ∙ Baby Bomb S1.E2 ∙ Spare Parts S1.E3 ∙ The Face of God S1.E4 ∙ Prions S1.E5 ∙ The Oldest Virus S1.E6 ∙ The Trials S1.E7 ∙ Faint Hope S1.E8 ∙ Blackout S1.E9 ∙ The Secret War S1.E10 ∙ The Source S1.E11 ∙ The Promise S1.E12 ∙ Resurrection S1.E13 ∙ The Longest Night
S2.E1 ∙ China S2.E2 ∙ Escape Mutant S2.E3 ∙ The Cocktail S2.E4 ∙ Dim & Dimmer S2.E5 ∙ Massive Change S2.E6 ∙ Our Men in Havana S2.E7 ∙ Listen to Him S2.E8 ∙ Haze S2.E9 ∙ Gene in a Bottle S2.E10 ∙ The Wild and the Innocent S2.E11 ∙ Fishy S2.E12 ∙ Lethargica S2.E13 ∙ The End
S3.E1 ∙ A Spontaneous Moment S3.E2 ∙ Dust in the Wind S3.E3 ∙ Strangers in the Night S3.E4 ∙ I Dream of Genomes S3.E5 ∙ The God of Commerce S3.E6 ∙ Phantoms S3.E7 ∙ One Hand Washes the Other S3.E8 ∙ Sleepers S3.E9 ∙ Let It Burn S3.E10 ∙ Unbearable S3.E11 ∙ Adrift S3.E12 ∙ Jacobson's Organ S3.E13 ∙ Back to the Future
S4.E1 ∙ TB or not TB S4.E2 ∙ La Consecuencia S4.E3 ∙ Hep Burn and Melinkov S4.E4 ∙ The Kiss S4.E5 ∙ Suspicious Minds S4.E6 ∙ Race Fever S4.E7 ∙ Hearts and Minds S4.E8 ∙ Brood 14 S4.E9 ∙ Unbottled S4.E10 ∙ What It Feels Like S4.E11 ∙ Bloodless S4.E12 ∙ The Sounds of Science S4.E13 ∙ The Truth