Season 1
Ep. 1: "Knight"
Ep. 2: "Kitten"
Ep. 3: "Kitchen"
Ep. 4: "Knock-on Effect"
Ep. 5: "Knife"
Ep. 6: "Karma"
Ep. 7: "Key"
Ep. 8: "Kindling"
Ep. 9: "Knell"
Ep. 10: "Kaleidoscope"
Ep. 11: "Killer"
Ep. 12: "Adolf K. Weismann"
Ep. 13: "King"
Season 2: Return of Kings
Ep. 1: "Knave"
Ep. 2: "Kindness"
Ep. 3: "Kismet"
Ep. 4: "Knot"
Ep. 5: "Ken"
Ep. 6: "Keeper"
Ep. 7: "Kickdown"
Ep. 8: "Kaput"
Ep. 9: "Kid's Room"
Ep. 10: "Keystone"
Ep. 11: "Kali-yuga"
Ep. 12: "Knuckle Bump"
Ep. 13: "Kings"