Green Arrow calls upon fellow heroes Black Canary, and Aquaman, to locate the missing Clark Kent, last seen in the Arctic. Meanwhile, a new CEO is appointed the head of LuthorCorp, and Chloe is kidnapped by a secret group who have discovered her special power.

The Top Ten is trimmed down to the final five acts. Also, a performance by British songstress Natasha Bedingfield.

Four months have passed and Dean awakes to find himself in a pine box - he's been freed from Hell. He reunites with Sam and Bobby, but soon they all begin to wonder what pulled Dean out of Hell.

Chef Ramsay heads to Macomb Twp, Michigan to help a father and son turn around their Italian restaurant, Giuseppi's, which is in much need of help before they have to close the doors.

Before fabrication, it's all hands on deck to move a massive new machine into the shop. The new press is put to work right away, as Paulie creates a bold new look for a chopper.

A fire spreads burning metal shrapnel over the city of Dallas, a man moves a 2-ton helicopter to free the trapped pilot, a motorcycle daredevil survives a 200-mph crash, an explosion tosses a car almost half a mile, and a typhoon devastates Japan.

After Charlie and Dee unknowingly eat some of Frank's human meat, the two develop an insatiable hunger for it. Meanwhile, Mac and Dennis get into sport hunting and go after what some might consider to be the most dangerous animal in the world.

To capitalize on the high gas prices, the guys invest in barrels of gasoline that they plan to sell door to door. Meanwhile, Dee and Frank resort to some drastic measures to stop Bruce Mathis from donating Barbara's money to a Muslim cultural center.

Hired by Fiona's boyfriend's friend Henry, Michael poses as a disgruntled bodyguard to thwart a kidnapping plot masterminded by a ruthless man named Lesher.

The Smash Lab team explores various ways to prevent a log hauling truck from crashing off the road.

The SRU attempts to rescue a kidnapped girl who is being held at a booby-trapped house, but while on the job they learn that one of the abductors is a teen who went missing several years earlier.

Jon talks to former British Prime Minister Tony Blair.

Tonight Stephen welcomes CNBC anchor Maria Bartiromo.