Lab Rats

S4:E1 Bionic Rebellion: Part 1

Sebastian has secretly formed an evil rebellion.

S4:E2 Bionic Rebellion: Part 2

The rebels hold Leo captive in the training area.

S4:E3 Left Behind

The Lab Rats accidentally leave Spin and Bob behind.

S4:E4 Under Siege

Suspicious events happen overnight at the academy.

S4:E5 Bionic Dog

Douglas' long lost dog, Otis, shows up on the island.

S4:E6 Mission Mania

Leo does his own self-promotion for missions.

S4:E7 Simulation Manipulation

Adam and Chase lead students in a series of contests.

S4:E8 Forbidden Hero

Tasha rushes to the academy to take care of Leo.

S4:E9 Spider Island

Douglas and Chase reanimate an extinct spider species.

S4:E10 Spike vs. Spikette

Bree discovers a female student with a commando app.

S4:E11 Lab Rats vs Mighty Med Part 1

A new energy source is unveiled on Bionic Island.

S4:E12 Space Elevator

Davenport is inadvertently propelled into the ozone.

S4:E13 Bionic Action Hero: Part 1

Douglas pitches a movie based on Adam, Bree and Chase.

S4:E14 Bionic Action Hero: Part 2

Chase has gone missing.

S4:E15 One of Us

A deadly virus is discovered at the Bionic academy.

S4:E16 Bob Zombie

Douglas develops a new bionic intelligence upgrade.

S4:E17 Human Eddy

Davenport gives Eddy a human body.

S4:E18 The Curse of the Screaming Skull

Perry retrieves a black skull from another island.

S4:E19 On The Edge, Part 1

Leo feels guilty when his new bionics injure a teen.

S4:E20 On The Edge, Part 2

Leo feels guilty when his new bionics injure a teen.

S4:E21 Ultimate Tailgate Challenge

Perry's not invited to the big college football game.

S4:E22 And Then There Were Four

Douglas introduces a fourth bionic sibling.

S4:E23 Space Colony, Part 1

Donald unveils "Davenportia," his new space colony.

S4:E24 Space Colony, Part 2

Trouble brews on Davenportia when a villain returns.