As Australia's older population increases, so too will the issues that affect their health and happiness. Could the solution to a better life for older Australians be as simple as spending time with 4-year olds?
In the second week of the experiment, the older adults confront a series of activities aimed at one of the most frightening aspects of old age - memory decline.
This week adults will confront one of the most prevalent and devastating aspects of old age - low mood and depression. There's a series of mood boosting activities, including an outdoor excursion to the beach.
The experiment aims to tackle the adults' confidence and mobility. The experts have curated an action-packed week aimed at increasing the adults' physical ability, including a sports day.
The adults are re-tested by the experts, and the class put on a concert for friends and family, showcasing the abilities that they've been developing over the course of the experiment.
In this second social experiment, eleven older adults who live alone in their own homes, have volunteered to be "mature age kindergarteners" by spending time with a group of 4-year-olds at a specially designed preschool.
It's week two of this groundbreaking social experiment, and so far the seniors have formed friendships with the four-year-olds and made improvements to their mood. This episode, the experiment focuses on memory.
At the halfway point of this social experiment, the seniors and children are tested on their confidence levels. A series of activities designed to be a confidence boot camp prepare the group for their biggest outing so far.
In the penultimate week of this social experiment, 11 adults and 10 children participate in a series of physical activities to improve their mobility, with the hope it will keep them living independently for longer.
In the final episode of this groundbreaking social experiment, 11 adults and 10 children prepare for life after the experiment before the final testing reveals if the experiment has had a positive impact.
A small act of cooperation can help bring everyone together.
You might not know all the words, but singing is always good medicine.
Learning something new every day can help bring us out of our shells.
Photos from the past can lead to surprises and laughter.
An unexpected visit proves to be a great remedy.
It's not always easy but we all need to remember how to play.
Making slime - it's messy but it's always fun.
Don't forget to be silly - it can make you young again.
The journey from the first rehearsal to the big opening night.
Creating photo boards leads to reliving some very special memories.
We revisit all participants and preview some of their upcoming adventures.
The 4-year-olds get some great advice on how to live a happy life.
The 4-year-olds answer the simple, yet complex question 'what is love?' The old people describe the pain of lonliness
The 4-year-olds take a guess as to how old their old people really are.
What are you most scared of? When were you the bravest? are some topics of discussion.
Things that bring joy, give you fond memories and bring a smile to your face are what makes these friends happy.
Who are your best friends? Since meeting the 4-year-olds, the old people have new ones to add to their list.
