In this first instalment we join the family as they juggle family life along with work commitments and their dream home renovations. After a long and bumpy start, their new house is finally taking shape, but will Billie and Greg's disagreements on taste and design hold back the progress?
The Shepherds are in full holiday mode as they head off to sunny Portugal but will Arthur bring his challenging behaviour all the way from Brentwood?
Baby No.3 - The Shepherds prepare to welcome baby number three, but worrying news threaten their birth plan.
The Shepherds are now adjusting to life as a family of five, but Billie is finding that her new motherhood journey is an overwhelming emotional rollercoaster.
The Shepherds head to Abu Dhabi for their first work trip abroad as a family of five, and it's extra-special as it's Margot's first-ever holiday.
Tensions in the Shepherd household are high as Billie and Greg are in the middle of a huge bust-up, but will the couple make up in time for Greg's birthday?
Billie puts a plan involving Greg in place to get some sleep after her first night away from Margot, and the couple give Nelly a big surprise.
The Shepherds jet off to the Maldives for much-needed family downtime, but the challenges of having three children keep Billie and Greg on their toes.
Billie, Greg, Nelly, Arthur and Margot are back, and life for the Shepherds is busier than ever - Nelly takes centre stage as the family create their first TikTok, but it's not all fun and games as Margot is still keeping the family up every night.
Billie and Greg are at breaking point as their sleepless nights continue, and the Shepherds throw a lavish pool party to remember as Nelly turns nine.
Life gets more hectic for the Shepherds as school's out for summer for Nelly and Arthur, and a home photoshoot leads to tension between Billie and Greg.
The Shepherds head off on a staycation for some quality family time, and Greg and Chatty's health journey gets serious when they find some medical issues.
Nelly and Arthur go back to school, giving Greg time to focus on his and Chatty's medical issues as Billie has her own health concerns and a mummy MOT.
The Shepherd household is buzzing as it's Nelly's photo shoot for her first solo designer range, and the family raise money for charity by getting down and dirty.
Christmas has come early for the Shepherds as they do their first photo shoot as a family of five, but things grind to a halt as Arthur goes AWOL.
It's Billie's birthday and Greg has a rather unusual treat in store for her, and there is cause for concern after Chatty drops a health bombshell.
Billie and Greg attempt to restore order by introducing chores to allow the kids to learn about the value of money, but not everyone is on board.
As the novelty of the chore chart wears off, Billie and Greg continue to address the kids' behaviour and debate if they should get Nelly a phone.
It's a busy week for the Shepherds as Arthur's seventh birthday is approaching, but all plans are put on hold when Margot is rushed to hospital.
Billie and Greg wonder if the kids' constant snacking could be a factor in their bad behaviour as Chatty celebrates his 70th birthday with a party.
Billie and Greg take the kids on an exciting holiday to Dubai, but they are unable to escape their children's bad behaviour as they continue to act up.