S4 E1: Race Against Time (1)

S4 E2: Race Against Time (2)

S4 E3: Lover's Cove

S4 E4: Blindside

S4 E5: Sky Rider

S4 E6: Tentacles (1)

S4 E7: Tentacles (2)

S4 E8: Submersion

S4 E9: Ironman Buchannon

S4 E10: Tower of Power

S4 E11: The Child Inside

S4 E12: Second Time Around

S4 E13: The Red Knights

S4 E14: Coronado Del Sol (1)

S4 E15: Coronado Del Sol (2)

S4 E16: Mirror, Mirror

S4 E17: The Falcon Manifesto

S4 E18: Rescue Bay

S4 E19: Western Exposure

S4 E20: The Life You Save

S4 E21: Trading Places

S4 E22: Guys & Dolls