Season 4 will consist of 32 episodes and the Lab Rats newest sister, Elena, is now a character.


Meet Elena

Fishin with a Mission

Do's and Don't

Elena's Crush

The Sibling Rival (Part 1)

The Sibling Rival (Part 2)

My Protector

Sisters and Brother

Escape the Rat Race

Happy Birthday, to who?

Return Of Douglas Part 1

Return Of Douglas Part 2

World War Bionic Soldiers


Tyrel Jackson Williams as Leo Dooley

Billy Unger as Chase Davenport

Kelli Berglund as Bree Davenport

Spencer Boldman as Adam Davenport

Trevor Jackson as Trevor Davenport

G. Hannelius as Elena Davenport

TBA as Dill Davenport

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