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Dawson asks Severide for help; Brett and Kidd compete for Zach's heart; Otis, Herrmann and Mouch try to figure out the source of a terrible stench wafting throughout the firehouse.

Met Gala fashion preview.

As Abishola begins studying for medical school, she offends Gloria with an insensitive comment about Gloria's own journey of almost becoming a doctor; Tunde schools a reluctant Bob on the art of home repair while helping to fix his dishwasher.

After a Michigan State University grad student disappears and is presumed dead, a professor of geological sciences helps police get the dirt on her killer.

When a man's wife kills herself 14 years after his college sweetheart commits suicide, police start to get suspicious.

Paid programming.

Funny car champion Austin Prock; Olympic snowboarder Bea Kim; NHRA driver Doug Kalitta.

Profiles of the top rookie, college and high-school talent in sports; current athletes share their experiences, advice and personal impressions of the road to stardom.

A rescue center in Peru works to rehabilitate monkeys, macaws, tapirs, turtles, a jaguar, an otter and a rare short-eared dog.

The Atacama Desert in Chile.

The Canadian province of Alberta: an international peace park; moose, bighorn sheep and elk; Dinosaur Provincial Park.

A rescue effort for Amazon manatees.

The Peruvian Amazon Rainforest is home to some rare animals.

From Borneo to Kuala Lampur, conservation work helps protect animals like orangutans, snakes and elephants.

News about dogs, including shows and current events; from the American Kennel Club.

Volunteers who are new to the world of pet rescue.

Jack faces the truth about his rift with Al Cotter; Lou and Peter take the next step in their relationship; Georgie makes a decision about her future; Amy sees her own future in a new light.

Jeff obtains a shipment of furniture which may have been used in a drug deal.

Jeff has a major shipment on the way but no more room in the warehouse; Jeff tries to convince Jose to share his space with the enemy.

A Civil War-era broadside is brought in; Rick checks out a 1947 fully restored Wurlitzer jukebox; Rick gets frustrated when Chumlee brings a kid into the pawnshop.

A pre-race lead-up to NASCAR racing.

Drivers battle for 200 laps at Texas Motor Speedway. Justin Allgaier seeks his third win of the campaign at the 1.5-mile quad-oval. Toyota looks to reclaim dominance at the venue, while Jesse Love leads the rookie of the year race.

Programming to be announced.

After Dr. Sturgis experiences a nervous breakdown, Mary worries Sheldon is headed down a similar path; Georgie discovers he has a knack for sales.

When Bob, Abishola and Kemi learn that Morenike's family disowned her because she's gay, they do what they can to help her pay for school and stay in America.

The Go-Go's become the first successful, all-girl band to write their own songs and play their own instruments while making it to No. 1 on the charts.

Stay informed with the latest breaking news and headlines.

Nineteen-time NHL All-Star and Hall of Famer Ray Bourque.

When an undocumented woman is violently abducted, the team forms an unlikely alliance to try and bring her home alive.

Officer John Nolan's mom makes an unannounced visit, which complicates his life; Sgt. Grey considers retiring.