In Wakefield, Alan and the team create a secluded secret garden filled with hidden corners and magical touches for a wheelchair-bound little girl and her family, featuring a playful water feature and plant-petting corner, filled with sensory plants. Meanwhile in Swansea, Katie Rushworth creates a modern, sleek, sunken secret garden for a woman who throws parties for the elderly to ease loneliness.

Alan and the team create a garden celebrating all things textural for a hard-working support worker from Leicester, who looks after young single mothers.

Alan and his team are in Salford to create an eco-inspired kitchen garden, for a community hero who likes to feed everyone and is passionate about recycling.

Alan and his team are in Barry, Wales, to create an accessible and flexible family garden for ex-Army soldier Dale, who lost a leg in Afghanistan.

Alan Titchmarsh and team demonstrate how to take inspiration from the gardens of grand stately homes to create a beautiful design that works for a traditional domestic garden. The team set to work transforming the garden of Mel, a Dementia Ward manager working at a Royal British Legion care home. They create a walkway of topiary leading the eye to the end of the garden, and give the outdoor space it's very own stately home inspired garden revamp.

Alan Titchmarsh and the team demonstrate how to bring a woodland into your garden as they create a wonderful cross between a woodland glade and a forest school.

Alan Titchmarsh and team set out to create the ultimate lush Thai garden in Leighton Buzzard for a paramedic's family and their four rescue pugs.

Alan Titchmarsh and his team turn a suburban plot in Hull into a wildlife retreat for a nature-loving teenager and his family. Plus, tips on creating a pond that is attractive to animals and safe for children, the best small trees to screen an overlooked garden, and a guide putting together an outdoor cinema.

Alan Titchmarsh and the garden makeover team head to Chippenham, Wiltshire to create a traditional formal garden for an inspirational couple. Richard Warren has been a serving Special Constable for 52 years, and dedicates his spare time to running marathons to raise money for charity, and caring for his wife Lynette, who has multiple sclerosis. The team shares tips on how to create a formal pond from scratch, screening solutions for unsightly spots in the garden, and reveals how to mark out a perfectly oval lawn.

This one-off special reveals how – with the right design, plants and a succession of tips, tricks, clever ideas – small plots can not only be made to look and feel bigger but can become wonderful places to be.   

In London, for dedicated charity worker Maxine, they use theatrical tricks to turn a tiny, super-narrow backyard into a quiet leafy escape in the city - and by using bold exotic planting, clever hidden storage areas and multifunctioning features the knowledgeable team transform a cluttered mini-new-build plot for a family of five in Kent.  

Both transformations leave the owners astonished.

Alan Titchmarsh presents the first in a series of special episodes in which he reveals the secrets behind some of his favourite garden designs, and looks back on some of the most memorable assignments featured on the show. The first episode focuses on country gardens, and revisits three past projects the team put inventive spins on - a classic country garden, a design with a cottage twist, and finally a project that set out to create an enchanted atmosphere inspired by classic children's book The Secret Garden.