Lab Rats Season 4.5 is the half season of Season 4.It will consist of 32 episodes like season 4.
Cast
Billy Unger as Chase Davenport
Spencer Boldman as Adam Davenport
Kelli Berglund as Bree Davenport
Tyrel Jackson Williams asLeo Dooley
Hal Sparks as Donald Davenport
TBA as Dilli Davenport
G. Hannelius as Elena
Zendaya as Sara Davenport
Ryan Newman as Hallie King
Recurring
Maile Flannagan as Principal Perry
Angel Parker as Tasha Davenport
Ben Stillwell as Owen
Rahart Adams as Zax
Kyle Massey asMark