: The sarcastic household AI who assists (and occasionally hinders) the team during the gas leak.

: A dangerous gas leak at a factory threatens the area.

In the episode " Missin' the Mission " (Season 2, Episode 3), Leo fights to be seen as more than just the group's "discard". While his strategic ideas are usually ignored, he finally gets a chance to shine when Principal Perry places Adam, Bree, and Chase in detention , leaving Donald Davenport with no choice but to rely on Leo during a major emergency. Plot Highlights

: With the bionic trio stuck in school, Leo teams up with Donald and the smart-home system, Eddy, to stop the leak.

: Leo is frustrated that his mission suggestions are treated like "mop-up paper".

Missin' the Mission - Lab Rats (Season 2, Episode 3) - ‎Apple TV