Spencer Boldman and Tyrel Jackson Williams from Lab Rats (2012) (Adam and Leo respectively) do not return, as explained in the show's series finale.

First spinoff series on Disney XD.

This is the first Disney XD spin off that combines two shows into one.

Kaz's little brother, Kyle, will be on it

All the members of the elite force have brown hair

After Skylar gets her powers back in "S1-E3: Power Play," she and Bree both have super speed and are almost or are equally fast.

Bree gets super powers in the episode The Rock after touching the arcturian.

Tasha comes back with her baby.

Bree gains superpowers after coming in indirect contact with the Arcturion space rock in S1E10 "The Rock".