Black Hole
House and team tries to diagnose a high school senior suffering from blackouts and hallucinations, and are forced to take a controversial approach. Meanwhile, Wilson attempts to furnish his new condo, and Taub brings his personal life into the workplace.

The Lady Vanished
Rufus and Lily suspect something bad about Jenny's and Damien relationship. Chuck learns more about the woman at the cementery who may or may not be his mother. Meanwhile, Dan and Vanessa struggle with the awkwardness of dating other people.

Day 8: 3:00A.M. - 4:00A.M.
While Jack and Cole team up in the field to shield New York from the calamitous threat, a hostage situation has CTU completely stressed out. Meanwhile, unrelenting parole officer Prady presses on in his investigation, and unexpected developments send the Hassan family into a major tailspin.

Chuck vs. the Tic Tac
Casey carries out a side mission for his old commanding officer James Keller that leads to him committing treason. When Chuck learns the dark truth about Col. Keller, he and Sarah set out to break Casey out of jail and clear his name. Meanwhile, Awesome's plan to keep Ellie out of danger gets more difficult when she gets her dream fellowship.

Day 8: 3:00A.M. - 4:00A.M
While Jack and Cole team up in the field to shield New York from the calamitous threat, a hostage situation has CTU completely stressed out. Meanwhile, unrelenting parole officer Prady presses on in his investigation, and unexpected developments send the Hassan family into a major tailspin.

The Lady Vanished
Rufus and Lily suspect something bad about Jenny’s and Damien relationship. Chuck learns more about the woman at the cementery who may or may not be his mother. Meanwhile, Dan and Vanessa struggle with the awkwardness of dating other people.

Black Hole
House and team tries to diagnose a high school senior suffering from blackouts and hallucinations, and are forced to take a controversial approach. Meanwhile, Wilson attempts to furnish his new condo, and Taub brings his personal life into the workplace.

I Got You, Babe
Ricky seeks legal help in his quest for joint custody of his son, while Adrian assists Amy in preparing for court. Elsewhere, George gives Anne a deadline for a wedding ceremony; a romantic evening aw…

Camp Buy Me Love
Casey and Cappie get a surprise visit from Cappie’s parents, who invite them to a camping trip. While reluctant Casey agrees to go, in hope that they might encourage Cappie to choose a major and graduate with her. But she quickly learns that they are free-loving hippies who think Cappie should just relax and enjoy his college experience. Meanwhile, Dobler’s is hosting an 80’s party, and Rusty doesn’t…

Chuck Versus the Tic Tac
Casey goes on a mission for his old commander James Keller, but something goes wrong, so now Chuck and Sarah have to help him out.