S4 E1: Blackjack

S4 E2: Escape

S4 E3: A Town for Hire

S4 E4: Salvage

S4 E5: Windows

S4 E6: A Piece of Cake

S4 E7: Deathtrain

S4 E8: Code of Silence

S4 E9: Stavograd (a.k.a. The Stavograd Incident) (1)

S4 E10: Stavograd (a.k.a. The Stavograd Incident) (2)

S4 E11: Mime Troupe

S4 E12: X-Virus

S4 E13: Rogue Warrior

S4 E14: Ground Zero

S4 E15: Flowers of the Mountains

S4 E16: The Key

S4 E17: On the Double

S4 E18: Storm Warning

S4 E19: The Golden One

S4 E20: The Puppet Master

S4 E21: Malduke

S4 E22: Poppy Chain

S4 E23: Flying Home

S4 E24: Welcome to Paradise