Episode guide
Lab Rats: Season 4: Bionic Island
24 episodes · first aired Mar 18, 2015
The fourth season of Lab Rats has a new story location – Davenport’s Bionic Academy, a training facility on a remote island that brings higher stakes and over-the-top missions for Leo and his super-human step-siblings, Chase, Adam and Bree – and a new series title, “Lab Rats: Bionic Island.”
- 1 Bionic Rebellion (1) Mar 18, 2015 · 22m Sebastian has secretly formed an evil rebellion to get revenge on the Lab Rats for destroying his father. Meanwhile, Leo is trapped with the other bionic people who also want revenge, but…
- 2 Bionic Rebellion (2) Mar 18, 2015 · 22m Sebastian has secretly formed an evil rebellion to get revenge on the Lab Rats for destroying his father. Meanwhile, Leo is trapped with the other bionic people who also want revenge, but…
- 3 Left Behind Mar 25, 2015 · 22m After sneaking some students off the island and to the mainland, the Lab Rats accidentally leave Spin and Bob behind and must retrieve them before Donald finds out. Meanwhile, Donald tries…
- 4 Under Siege Apr 1, 2015 · 22m When suspicious events happen overnight on the bionic island, everyone is convinced a new threat has emerged. However, this threat is revealed to be Leo, when his bionics glitch because…
- 5 Bionic Dog Apr 8, 2015 · 22m Adam brings a dog back to the island and Douglas reveals that it's his old dog, Otis, who Douglas made bionic in order to save his life when Otis was injured. Chase turns out to be…
- 6 Mission Mania Apr 15, 2015 · 22m The Lab Rats are on a mission to save people from a wildfire; when the people start to chant Adam, Bree, and Chase's names, Leo gets jealous and wants to become known. Douglas gets put in…
- 7 Simulation Manipulation Apr 22, 2015 · 22m Adam and Chase each lead their own student groups against each other in a series of simulated exercises that will evaluate both student and mentor performance. However, after Chase's group…
- 8 Forbidden Hero Jul 1, 2015 · 22m When Leo is injured during a mission, Tasha rushes to the academy to take care of him. After finding out what happens on missions, she bans Leo from joining any more missions, but he…
- 9 Spider Island Jul 8, 2015 · 22m Chase and Douglas reanimate a prehistoric sea spider. It escapes and bites Adam, which poisons him. It then grows and becomes 50 feet long due to growth hormones that had been given to it…
- 10 Spike vs. Spikette Jul 15, 2015 · 22m Douglas finds out that there is a student named Kate with the Commando App. Chase tries to activate her Commando App, named Spikette by Douglas, so he can research her. When he starts…
- 11 Lab Rats vs. Mighty Med Jul 22, 2015 · 44m Chase and Donald have invented a new technology that takes in energy from any environment. Chase feels that he does not get his share of spotlight when Donald sells the product without his…
- 12 Space Elevator Jul 29, 2015 · 22m Donald's top scientist, Dr. Ryan, arrives to test Chase's invention. The two of them dislike each other and don't get along. When Donald puts Dr. Ryan in charge of the space elevator…
- 13 Bionic Action Hero (1) Aug 5, 2015 · 22m Douglas tells the group that his old college ex-girlfriend, a film director named Giselle, will be making a film titled Bionic Action Hero based on all of them and starring an…
- 14 Bionic Action Hero (2) Aug 5, 2015 · 22m Douglas tells the group that his old college ex-girlfriend, a film director named Giselle, will be making a film titled Bionic Action Hero based on all of them and starring an…
- 15 One of Us Aug 12, 2015 · 22m 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…
- 16 Bob Zombie Sep 30, 2015 · 22m Douglas creates a device that makes any bionic human as smart as Chase. After Douglas tests it on Bob, Bob starts spending time with Chase. This leaves Adam in envy. Meanwhile, Perry made…
- 17 Human Eddy Oct 14, 2015 · 22m Donald gives Eddy a human body and replaces his disrespectful personality to make him nicer. Perry restores his old personality, and he attempts to harm the students.
- 18 The Curse of the Screaming Skull Oct 21, 2015 · 22m Leo just finishes his movie marathon while everyone else is frustrated because they have nothing to do on Halloween. Bob intentionally stays behind while the other students are away with…
- 19 On the Edge Nov 11, 2015 · 44m Donald tells the group that the president has decided to host an award ceremony because they have completed their one-thousandth mission and Leo wants his recognition, but it's only for…
- 20 Ultimate Tailgate Challenge Dec 2, 2015 · 22m Tasha arrives on the Bionic Island informing everyone that she has tickets to a big football game of the Pioneers (mascot of a college that she went to) vs Vikings (mascot of a college…
- 21 And Then There Were Four Jan 13, 2016 · 22m Everyone is shocked when Douglas introduces a fourth bionic sibling named Daniel who’s been living a normal life with an adopted family. Daniel later comes to the academy to meet his…
- 22 Space Colony Jan 20, 2016 · 22m In the middle of a massive heat wave, the whole family is going to space to see Donald's space colony, called "Davenportia". Adam annoys Chase while Chase tries to give his safety…
- 23 The Vanishing (1) Feb 3, 2016 · 22m Donald and Douglas reveal that they have built an upgrade for all the students bionics, except for Leo's. But the upgrade doesn't work on Adam, Bree, and Chase because their systems are…
- 24 The Vanishing (2) Feb 3, 2016 · 22m Giselle reveals she dug up Marcus from Douglas' old lair and rebuilt him, piece-by-piece. Marcus wants revenge on Douglas for leaving him to die. Everyone rushes Giselle and Marcus, but…