Victor & Vera hide in the cellar & see Nina entering the code. Patricia’s revenge backfires, and the Sibunas enter the antechamber. Victor is blinded by the beacon flash. Poppy's Father wants a prison visit. The Sibunas cross the chasm.
Leonard and Penny deal with the idea of starting a relationship again and Raj finally finds a "woman" he can talk to without being drunk, in the form of Siri on his new phone. Meanwhile, Sheldon decides to start a YouTube series entitled "Sheldon Cooper presents Fun with Flags" with the help of Amy.
The guys conduct a focus group with unique consumer questioning, are totally unfit as trainers in a gym class, and pretend to work at a famous New York bakery.
Leslie and Ben host a bowling night after receiving feedback about Leslie's campaign. April, Chris, and Jerry hold a competition to see who can raise the most funds.
Fashion icon Diane Von Furstenberg joins Angela on the Runway to reveal the fastest challenge in Runway history. It's a race against time as the top ten All Stars have only six hours to create a colorful look for supermodel Miranda Kerr.
A NASA scientist seeks Walter's help to find the matching pair of a red stiletto left behind by a woman he met at a bar. Walter uses the stiletto as the first clue to finding the missing woman but in the process he uncovers her shocking secret that winds up putting his own life in danger. Meanwhile, Willa exposes Leo's dark family secret, but when she tries to make amends with him, she gets herself into even more legal trouble.
As the next project starts, demolition begins on the 1950s porch addition and the first floor is gutted.
Mitch is given the difficult task of defending Judd Grafton, a gambler wrongly accused of murder. With Judd continuing to claim his innocence and willing to take the risk of a guilty verdict, Mitch puts Ray to work to find any helpful clues.
The auditions continue on American Idol as the judges travel to Galveston, TX to search for the next singing superstar. Don't miss another round of good, bad and outrageous auditions.
Tracy challenges Liz by leading his own protest in defense of idiots everywhere. Jack faces off with Devin Banks yet again, and the Best Friends Gang is reunited when Kenneth and Jenna call for the help of Kelsey Grammer.
Cyril is promoted to field agent, while Malory institutes a strict drug-testing policy. Neither of which sit well with the staff of ISIS.
The elder Professor Juniper has invited our heroes to join him in what he promises will be an exciting adventure...and he keeps his promise!
Michael finds out the secrets behind Kirkby's famous blue slate, submerges himself into a secret world of nuclear submarines in Barrow, and sees why the executions at Lancaster castle drew the Victorians in their droves.
Catherine goes into hiding with D.B. after Mark Gabriel's hitmen try to kill her, but they soon come to the realization that Gabriel himself may not be calling the shots.
Michael drinks a Victorian brew drawn from the pure waters of Cockermouth, steps inside the hidden world of nuclear reprocessing at Sellafield, and travels into the wonders of a Japanese inspired, 19th century garden.
Deunan embarks on a solo mission to infiltrate the Argonauts and learn more about an enormous and extremely high-tech Landmate.
Martin Bohm, is a widower and single father who is haunted by an inability to connect to his emotionally challenged 11-year-old son Jake. But when Martin discovers that Jake can predict events before they happen, everything changes. Martin meets social worker Clea Hopkins and Professor Arthur Teller who may have the keys to help unlock Jake’s mind.
The chefs race against time to finish prep work for a meal. Later, they serve up cuisine at a food-drive block party. Guest judge: Cat Cora.