Scott Allen Rinker

Marshall and Lily enter a Halloween costume party, and Robin brings her new boyfriend. Ted and Barney go to the same fancy dress party they go to every year where Ted waits for his lost love.

Brennan and Booth investigate their colleagues when an intern's remains are found in an incinerator; Booth poses as Cam's boyfriend and accompanies her on a family get-together.

While investigating a case where bodies are found in the middle of the woods, the team discover that the suspects have created a new sport.

When Derek witnesses a horrible car accident, he springs into action in an attempt to save the lives of those involved.

House treats a young married couple with similar symptoms, but they are shocked by the cause of the illness; a walk-in patient stands up to House.

While faced with the overwhelming challenge of convincing the dead passengers to crossover, Melinda encounters the evil spirit of `Wide Brim Man', who is working against her to keep the spirits earthbound. In addition, Melinda has to defend herself to investigators who want to know how and why she knew there was trouble with the plane prior to the crash.