Aaron's heritage and a widespread teachers' strike become polarizing issues, and Wells discovers a sinister pattern in a flu outbreak.
A heated debate over child marriage roils Kirkman's staff. Opioid addiction hits home for Mars. A biohacker turns Wells onto a chilling new threat.
Emotions run high after despicable fake news goes viral, Isabel makes waves with a controversial appeal, and Wells finds a clue pointing to conspiracy.
A stray Russian bomber jeopardizes Seattle, Mars crusades against a drug company, and an event from Aaron's childhood vexes Kirkman's campaign.
Trailing in the polls, Kirkman weighs forcing the FBI's hand over the bioterrorism plot. Emily struggles with her mother's final wishes.
Kirkman mobilizes a frantic hunt for the bioterrorist. Lorraine plays hardball and pushes the opioid epidemic into the campaign fray.
Paul and Simon have an emotional reunion in Australia, and a catch up with Neil, who was found homeless in 28 Up.
Jacques' wishes for a tribe swap are granted, with the tribes reshuffling into three tribes of six.
A couple's dated master suite is very outdated and desperately need of a makeover. Christina rolls up her sleeves and turns the rundown room into a chic and functional space.
Delpierre and his assistant Romain want to demonstrate the dangerous nature of the pesticides they wish to ban. They present a scientific study on Lymitrol, Saksia's flagship product, whose results are unequivocal.
The body of a Saskia employee is found in the Seine, and the company works to convince the family that it was a suicide. Villeneuve is anxious to file a complaint with Delpierre, but his family would prefer he accept Saskia's compensation.
Agrochemical giant Saskia is preparing to launch its latest product, but MP Guillaume Delpierre is suspicious after visiting the bedside of his childhood friend, Michel Villeneuve, a farmer with an aggressive cancer.
Delpierre and Villeneuve both face challenges--one in the Assembly, the other in court opposite Saskia. Meanwhile, Chloe and Claire meet with varying success.
Delpierre and Villeneuve are preparing to defend the anti-Lymitrol amendment when Bowman decides to leak a tenuous link between Delpierre's wife and the Paoletti Foundation.
Max and Veronica make waves of their own as greedy network executives attempt another dirty deal. Max wants out while Veronica considers jumping the broom.
Eggplant: A fruit you didn't know was a fruit. Often underrated and overlooked, Frankie shows us how to shop for and cook this filling, delicious, cost-effective, and versatile ingredient.
The team have a record number of cars to auction, but Derek finds room for one more - a replica AC Cobra. A couple are reunited with their Volvo breakdown truck.
Renowned investigative reporter Donal MacIntyre examines horrific and fascinating crimes, interviewing the men and women who ensured that justice was done.