The Best Episodes Directed By Bradley Walsh

Alan risks his life to save his brother Peter from Ilaria CEO Constance Sutton, only to see him re-captured by Vectors. Julia Walker deals with the mystery of her "cure" while her half- brother Daniel confronts their father, Dr. Hatake, about being abducted as a child.

The CDC teams learns the real purpose of the infection and Alan and Julie make a perilous journey to retrieve the canister that has the original source virus.

Francis observes the growing bond between Mary and Bash, so he turns to Olivia. Meanwhile, Catherine wants to ensure that whoever threatened Mary is captured; Bash seeks to repay his debt; and Kenna tells her friends about her affair with Henry.

Sam teaches Jamie about money. Brooke must decide whether to date Owen again, since he broke her heart the last time. Nathan comes face to face with an old rival. Meanwhile, Lucas' novel forces him to make jeopardizing decisions, and Peyton meets the movie producer, Julian.

After the death of his wife, Sarah, John West packs up his three children and moves from their hectic urban life to his small northern hometown to take command of the local search-and-rescue service.

Aunt Charlie’s house burns down, so the Wests move into a vacant water park. John meets his SAR team, and Maddie attends court-ordered therapy.