Paul is told by Gina to return to some previous unknown answers about his father, whilst Alex Sr. has some news to tell them.
Paul decides that from what he's learnt of Walter, he is more harmful to himself than others.
Oliver's dad is having some issues of his own, some of which are caused by Oliver's behaviour.
While lives remain on the line, an emotional Chloe copes with the declining conditions. With only a few hours left in Jack Bauer’s day, the situation worsens when the politicking inside the White House corners the divided administration.
Penny's second date with Stuart sees her making a comment that gives Leonard new hope for a relationship with her. Wolowitz realizes there's a crucial error in a NASA project he's working on.
Ted ponders how being in the right place at the right time can impact a person's life; Barney celebrates his 200th female conquest.
Blair puts pressure on Georgina to making amends for her past bad behavior by helping her in an evil plan. The rivalry between Nate and Chuck over Blair reaches a boiling point. Lily makes a secret plan to help Rufus with Dan's college tuition.
When a two-year-old girl is discovered missing from her home, Beckett is called in to assist with the investigation only to discover that the FBI agent in charge is, in fact, her ex-boyfriend. The two of them try to put aside their unresolved feelings as they race to find the girl, but when Castle inserts himself into the investigation, competition quickly heats up for Beckett’s attention.
The families of Tree Hill draw closer as Lucas bonds with Jamie while working on Peyton's car, Sam develops a connection with Victoria, and Brooke and Haley throw Peyton a baby shower. Meanwhile, Nathan's ambitions seem closer than ever when he learns that an NBA scout will be watching his next game.
House and the team take on the case of a ballerina whose lungs collapse in the middle of a performance. When the treatment causes her skin to fall off, the dancer faces not only the prospect of never dancing again but also of dying an agonizing death. The team must use their imaginations to carefully choreograph ways to test and treat her delicate body without killing her. Meanwhile, House continues to suffer from what he thinks is insomnia, and he is willing to go to desperate measures to cure it.
Charlie mourns the loss of his bachelor pad as he reluctantly allows Chelsea to move in. Meanwhile, Alan discovers there is no longer much space left in the house for him.
Arleta Library Bakery Cafe (Portland, Ore.) • Bubba's Diner (San Anselmo, Calif.) • Flakowitz of Boynton (Boynton Beach, Fla.) Guy Fieri checks out some serious scratch cooking: In Portland, a breakfast joint where they're making buttermilk biscuits with sweet potatoes; In California, a diner where the BLT comes with softshell crab; And in Florida, a deli making all kinds of east coast classics from bagels to matzoh ball soup.
Bree sinks to a new low to retain the best lawyer, and Gabrielle's vanity is put to the test when she makes a deal with her daughter Juanita. Meanwhile, Lynette and Tom negotiate sex, and Katherine deceives Mike to win his heart. Jackson (guest star Gale Harold) walks back into Susan's life with a proposal, and an unexpected visit sends Dave to do some bargaining of his own.
Walt and his family wait for news after he undergoes a PET-CT scan. Walt follows Saul's advice; Jesse's relationship with Jane is put on hold when he and Walt head to the desert for a marathon of cooking.
When Brian discovers that his beloved Jillian is getting married, he hits the sauce to drown his sorrows. The next morning, he wakes up with more than a hangover. After realizing he has hooked up with "The Hills" star Lauren Conrad, he wants to run and hide. When Brian discovers Lauren is nothing like how she's portrayed on TV, he thinks he may have found his perfect match – if only he can let Jillian go.
Henry remains in seclusion while mourning the queen's death, an opportunity that enemies of the crown seize to murder several friends of the court; Cromwell is disturbed when Henry doesn't resist his new church's similarities to Catholicism.
A witness finds herself having difficulty in managing her own brood of children, so Mary offers to babysit the trio of problem kids.
Molly is kidnapped and used as bait, while Jonas is out of the country looking into a Russian terrorist cell.