Liza De Weerd

Meredith's friends and fellow doctors work to save her life after her near-drowning; Izzie gathers her courage to perform surgery at the site of the ferry accident.

Monk reluctantly adopts a dog while looking into the suspicious disappearance of its owner. Wallace Langham guest stars.

Joe Carroll puts his final plan into action, threatening the lives of many, as Ryan and Mike go to great lengths to stop him and prevent more innocent lives being lost. Meanwhile, Claire makes a decision that leads her into dangerous territory, and Mark and Luke attempt to figure out their next move.

After being infected with a hallucinogen, Sydney starts to lose touch with reality. Vaughn and Jack must rush to find an antidote before Sydney puts her life - and others next to her - into danger.