Ian is attacked and left shaken and confused as to what he could have done to provoke it. When the stranger strikes again, Ian is left hospitalised and there's more bad news when he regains consciousness: he's got amnesia. Suddenly he's an alien amongst his own family and friends, and even his own sexuality is a mystery. Meanwhile it's Debbie's 16th birthday. Tom decides it's time to go public with their relationship, but Debbie has doubts about whether their relationship was ever really serious. Kelly has bad news for Shane about her pregnancy; Frank and Monica are faced with an impossible challenge when they hear the voice of newborn baby Stella: but do they want to know what she has to say about her parents and Chatsworth? And Ian's amnesia brings him a whole new perspective on his life, leaving him questioning if Chatsworth is the place for him after all.
Sean tries to deal with his feelings for Julia, while Liz and Christian analyze their relationship and Christian meets someone who understands what he is experiencing with his breast cancer.
While helping a National Guardsman, Nate puts his team on the line when he slips back into his alcoholic ways.
An exploration of mysterious phenomenon, including alcohol clouds in space, pulsar planets, the possibility of a planet beyond Neptune, and dark matter.
Olivia, Walter and Peter are called in to investigate the death of a car salesman who was found in a pool of "goo," exactly like another man across the country. When Walter discovers that the "goo" is brain matter, the trio tries to figure out how the killer can liquefy human brains. As the deaths pile up, the investigation reveals a common thread linking the victims together in an unthinkable manner. Meanwhile, Olivia is horrified when the case places a loved one in harm's way
Mike heads to Meridian, California to find out what it takes to harvest walnuts. Then he spends some time in Tulelake where he learns how to make goose down pillows and comforters.
Elliot and J.D. encounter a road block in their newfound romantic relationship, and Dr. Cox considers taking the now vacant Chief of Medicine post.
Featuring a special appearance from Sesame Workshop's "Muppets", J.D. learns a lesson about the gift of compassion, while Elliot gets scammed by intern Katie to secure a spot on Turk's team.
With his new position Grier decides to return to his birthland and stop the war that has been taking place. What Dante and company don't know is that homeland is the exact spot where the Argos has been discovered, leading to a feud between Grier and the Huntik Foundation that won't soon be forgotten.
Mel has a new client, Marc, who is very young and very eager. Confident, fun, and with access to plenty of money he makes her feel invigorated and is precisely the frivolous diversion Mel needs in her life at the moment. Nat becomes aware she has feelings for Sean and Heather's having trouble disengaging from Jack, overwhelmed by the heterosexual feelings he continues to unleash in her.
Natsume takes care of an abandoned egg from a nest, not considering it could be a Youkai. After it hatches it turns out it is a rare baby spirit called Tatsumi, who thinks that Natsume is it's parent. Natsume can't help but get attached to the little spirit even as Tatsumi grows tired and sick. But as Natsume takes care of Tatsumi a mysterious spirit comes, and wants to take away Tatsumi for his master... who wants to eat him!
Brent signs up for guitar lessons, causing Oscar to relive some unpleasant parts of his childhood; Wanda becomes a reporter for The Howler, writing under a pseudonym so she can really speak her mind; Hank follows Karen's workout plan, then tries to prove that he's stronger than Emma.
As we descend beneath our modern day cities, we are met with ancient and hidden secrets. Journey with us back through history and rediscover cities of the underworld.
Guggenheim gives the gang another mission: follow the path of Jason the Argonaut and find all of their Titans. On the mission the gang is attacked by mysterious plants which lead them to an island where all their dreams come true, but Zhalia seems highly suspicious and decides to investigate rumors of an ancient magical power found on the same island which she believes are influencing everyone. Meanwhile Grier is up for a promotion, and all he needs to do to receive it is take out DeFoe.
As Dubaku presses President Taylor to comply with his devilish demands, she contemplates if the administration should negotiate to avert a disastrous terror attack. Meanwhile, away from the White House and the threatening international crisis, the determined First Gentleman struggles with his ongoing domestic mission, and perilous FBI Agent Walker diverts the attention of her tense colleagues. With national security on the line, Jack Bauer has a formidable plan in hopes of shielding the country in the “Day 7: 1:00-2:00 PM” episode.
Hob Nob Hill (San Diego, Calif.) • Tufano's Vernon Park Tap (Chicago, Ill.) • The Silver Skillet (Atlanta, Ga.) Guy Fieri visits some joints that feel like they ve been there forever; In San Diego, an overgrown coffee shop serving chicken & dumplings for 60 years; A bar turned restaurant in Chicago s Little Italy and in Atlanta, a diner legendary for southern breakfasts for more than 50 years.
Cuddy decides to spend more time at home to take care of her newly adopted baby and passes some of her day-to-day responsibilities off to Cameron, including supervising House. Cameron is forced to play House’s games and becomes involved in a power struggle as he and the team take on the case of a Special Education teacher who collapsed after spitting up blood in the middle of class. As House tests Cameron’s tolerance for his extreme measures, the patient continues to fall ill and House insists the teacher’s seemingly inherent goodness is actually a pathology.
In order to conquer her fear of confrontation with her new bully of a boss, Erica is sent back to her first semester of University where she learns to finally stand up for herself against the daunting Professor Lozar.