Lab Rats - Season 4: Episode 4
Episode Title: Under Siege
Air Date:
01 April 2015
Genre
Episode Description
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 Douglas never gave Leo a capsule.
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Episode 1
Crush Chop and Burn (1)
Episode 2
Crush Chop and Burn (2)
Episode 3
Commando App
Episode 4
Leo's Jam
Episode 5
Rats on a Train
Episode 6
Exoskeleton vs. Grandma
Episode 7
Smart and Smarter
Episode 8
Bionic Birthday Fail
Episode 9
Death Spiral Smackdown
Episode 10
Can I Borrow the Helicopter?
Episode 11
Back From the Future
Episode 12
Chip Switch
Episode 13
Drone Alone
Episode 14
Chore Wars
Episode 15
Dude, Where's My Lab?
Episode 16
Air Leo
Episode 17
Night of the Living Virus
Episode 18
Mission Invisible
Episode 19
Concert in a Can
Episode 20
Mission: Space
Episode 1
Speed Trapped
Episode 2
Spy Fly
Episode 3
Missin' the Mission
Episode 4
Quarantined
Episode 5
Robot Fight Club
Episode 6
Bro Down
Episode 7
The Rats Strike Back
Episode 8
Parallel Universe
Episode 9
Spike's Got Talent
Episode 10
Leo vs. Evil
Episode 11
Hole In One
Episode 12
Trucked Out
Episode 13
The Bionic 500
Episode 14
Bionic Showdown (1)
Episode 15
Bionic Showdown (2)
Episode 16
Memory Wipe
Episode 17
Avalanche
Episode 18
Adam Up
Episode 19
Llama Drama
Episode 20
The Haunting of Mission Creek High
Episode 21
Perry 2.0
Episode 22
My Little Brother
Episode 23
Prank You Very Much
Episode 24
Twas the Mission Before Christmas
Episode 25
Trent Gets Schooled
Episode 26
No Going Back
Episode 3
The Jet-Wing
Episode 4
Mission: Mission Creek High
Episode 5
Zip It
Episode 6
Not So Smart Phone
Episode 7
Scramble the Orbs
Episode 8
Principal from Another Planet
Episode 12
Cyborg Shark Attack
Episode 15
Armed and Dangerous
Episode 16
Alien Gladiators
Episode 17
Brother Battle
Episode 18
Spike Fright
Episode 19
Face Off
Episode 20
Merry Glitchmas
Episode 23
Bionic House Party
Episode 24
First Day of Bionic Academy
Episode 26
Unauthorized Mission
Episode 1
Bionic Rebellion (1)
Episode 2
Bionic Rebellion (2)
Episode 3
Left Behind
Episode 4
Under Siege
Episode 5
Bionic Dog
Episode 6
Mission Mania
Episode 7
Simulation Manipulation
Episode 8
Forbidden Hero
Episode 9
Spider Island
Episode 10
Spike vs. Spikette
Episode 11
Lab Rats vs. Mighty Med
Episode 12
Space Elevator
Episode 13
Bionic Action Hero (1)
Episode 14
Bionic Action Hero (2)
Episode 15
One of Us
Episode 16
Bob Zombie
Episode 17
Human Eddy
Episode 18
The Curse of the Screaming Skull
Episode 19
On the Edge
Episode 20
Ultimate Tailgate Challenge
Episode 21
And Then There Were Four
Episode 22
Space Colony
Episode 23
The Vanishing (1)
Episode 24
The Vanishing (2)
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