Sisters and Brother is the eighth episode of season 4.
Elena and Bree throw a sleepover their friends. Unfourtantely, one of Elena's friends gets sick with a highly contagious disease, forcing everybody to get quarantined.
However, Leo was not present went the contamination happened. When Leo arrives back, he has to find the where everyone got contaminated so he can stop the virus before it spreads around the world.
Tyrel Jackson Williams as Leo Dooley
Billy Unger as Chase Davenport
Kelli Berglund as Bree Davenport
Spencer Boldman as Adam Davenport
G Hannelius as Elena Davenport
TBA as Dill Davenport
Will Forte as Eddy
Taylar Hender as Samantha (Elena's friend who got the virus and spread it)
Olivia Holt as Isabelle (Bree's friend who got contaminated first)
China Anne McClain as Cammie (Elena's friend who gets contaminated second)
Zendaya as Maddie (Bree's friend who got contaminated third)
Bailee Maidson as Natalie (Elena's friend who got contaminated fourth)
Madison Pettis as Luna (Bree's friend who got contaminated fifth)
Rowan Blanchard as Maria (Elena's friend who got contaminated sixth)
Caroline Sunshine as Aria (Bree's friend who got contaminated seventh)
Sabrina Carpenter as Francesca (Elena's friend who got contaminated last)