Pete's life is changed forever following a heartbreaking phone call from Mimi.
With the children growing up, Beverly decides to reinvent herself and quits being a substitute teacher. She decides to focus her energy on going to night school so she can eventually own her own business. Murray doesn't like change or things costing money, so he convinces her to get a perm instead. Meanwhile, Erica struggles to balance her academic and social life in college and needs Adam's assistance.
The agents go to Negative Town to track a villain. Oona must pass her lab director's test or risk getting kicked off Odd Squad.
When Lincoln discovers the first page of his baby book is blank, he worries his parents are hiding something.
LaShawn returns to the high school, followed by a group of people, who present a grave threat to the kids at the school.
With one member of the group in critical condition and time running out, Grover ventures out of the school and finds much more than just supplies.
The group struggles with their shocking new reality. Grover returns with a new group of survivors to Barrett’s dismay.
Everyone's suspicious of the newcomers, especially after weapons start to go missing. Ollie and Anka try to bribe everyone with an unusual plan to get out of the valley.
As suspicions amongst the survivors grow, one member of the group goes rogue. Grover unintentionally reveals a secret and Violet feels betrayed.
A teenager disappears after schoolmates make her the subject of a vicious cyberbullying attack.
Shunned by the group, Grover and Barrett make a difficult decision. A storm prevents the group from escaping the school so they find an imaginative way to pass the time.
The group must defend the school against a lethal new force. Anka and Violet must come to terms with each other in order to save their friends.
Barrett and Grover discover a disturbing conspiracy. Those trapped in the fallout shelter might have found an escape route.
The situation with the intruders reaches a boiling point. Violet puts herself in a dangerous position to save the others.
This week, Lord Sugar summons the contestants to London's new Design Museum, where the teams find out that they are to create, programme and sell a prototype robot. The boys team create a product targeting the over 60s market, but their patronising approach does not impress the retailers. Meanwhile, the girls opt for the children's market, but an appalling pitch sees their team in melt down.
After 15 years of saving and planning, ecologist Fred and communications manager Saffron Baker start building work on their new family home in a village in the Peak District. However, the couple face difficulties as the start of construction proves more a feat of civil engineering than a house build, and work comes to a halt when their self-build mortgage falls through.
Jon and Chris take Lauren and Amber D on a tense double date.
Chaos erupts in the house when Kareem’s attraction to Zoe pushes Alivia to tears. The girls decide to go with strategy during the Match-Up Ceremony, leaving everyone nervous.