NBA superstar Dwyane Wade joins the panel as a guest judge and gets the opportunity to send an act directly to the Live Shows with a Golden Buzzer; contestants have one last chance to impress the judges before going live for America's vote.
Nick's charade is exposed; Summer sees a new side to Theo; Sharon and Chelsea rehash their past.
In the first round, the chefs learn they must make appetizers that include ginger-like galangal and a trendy taco. Miniature fruit and softshell crabs are two of the surprises that the competitors face in the entree round, and a pretty cake that reminds one judge of his childhood is at the center of an eclectic dessert basket.
On the anniversary of a personal tragedy, Kian decides he must save a life today. Hanssen worries that with his family history he shouldn’t look after Oskar and wonders whether nature or nurture will have a greater effect on his grandson. Cameron struggles to accept some recent news and refuses help from Alex. When Serena tries to help him, she receives surprising news.
Heading to her first competition in Pittsburgh since her return, Abby challenges the ALDC team with their most daring routine yet; longtime rivals Lilliana and Elliana go head-to-head in famous solos inspired by former ALDC member JoJo Siwa.
Billy seeks a fresh start with his newly arrived ex, Elena learns the truth about her breakup with Mark in the Shack of Secrets, and the first ex is sent home.
Bureaucracy threatens to derail Yogi's mercy mission to drought ravaged famers.
Mina and Karen take on a massive, partially-constructed house that was abandoned by investors. It's a big investment, and tensions rise when it comes to figuring out the kitchen cabinets' design. Mina decides to take a risk with her own money, which could be the move that sells the house or leaves them over budget
The background to the Tablelands Railway Line in Queensland, which changed the face of the state when it was constructed in the late 1800s.
Hairdresser Nicola is searching for her romantic ideal, but she's stuck in a coercive relationship with her partner Adam.
Livia Simoka travels to the remote jungles of the Republic of the Congo to spend five months living with the isolated pygmy tribe the Mbendjele.
Dani Dyer becomes Rattus’ political advisor as we look at everything from the birth of democracy to Margaret Thatcher having to change her voice so she would be taken more seriously.
Hannah and Joao have a miscommunication over a guest excursion; Anastasia is forced to prepare foods that go against her vegan lifestyle for charter guest, the "Queen of Versailles;" June continues to struggle to impress Hannah.
Gary reconnects with the mother who abandoned him; Mooncake misses Gary's attention.
On a ramshackle New Jersey estate, Mike and Danielle go on a Back-to-the-Future joyride in a DeLorean.
Four great medicos and mavericks risked their careers testing these ground-breaking medical inventions. Psychiatrist Dr Joh Cade discovered the psychological effects of Lithium on his bipolar patients after first testing its toxicity on himself. Dr Mark Lidwill worked in secrecy on the world's first pacemaker following his experiments on the hearts of recently deceased patients. Professor Fiona Wood developed a process to help severe burns victims recover quickly with spray-on skin, and the Ansells helped fight infection with their disposable medical gloves.