Season 4 Episode
- Season 4 Bionic Rebellion (1)
- Season 4 Bionic Rebellion (2)
- Season 4 Left Behind
- Season 4 Under Siege
- Season 4 Bionic Dog
- Season 4 Mission Mania
- Season 4 Simulation Manipulation
- Season 4 Forbidden Hero
- Season 4 Spider Island
- Season 4 Spike vs. Spikette
- Season 4 Lab Rats vs. Mighty Med
- Season 4 Space Elevator
- Season 4 Bionic Action Hero (1)
- Season 4 Bionic Action Hero (2)
- Season 4 One of Us
- Season 4 Bob Zombie
- Season 4 Human Eddy
- Season 4 The Curse of the Screaming Skull
- Season 4 On the Edge
- Season 4 Ultimate Tailgate Challenge
- Season 4 And Then There Were Four
- Season 4 Space Colony
- Season 4 The Vanishing (1)
- Season 4 The Vanishing (2)
Lab Rats - Season 4 Episode 15 One of Us
8.10 22 minutes Adam, Bree, and Chase are looking for Leo because he is late for training and find out he is in Mission Creek because Janelle threatened to break up with him. S-1 shows up unexpectedly and shocks everyone. She came to the island because, like everyone else, her memory is blank, but has continuing flashbacks of Krane.
