James and Alice try four different wedding cakes, but can't decide which one to choose. Molly suggests a game of 'weddings', but finds out that not everyone wants to get married.
Euan's plans with his mum fall through, so Molly organises a treasure hunt to cheer him up. Moira accidentally breaks the treasure and has to find a replacement - fast.
James and Molly see a hedgehog outside the Hub. Suki is worried, so they ask Daisy to help find Snuffles a new home. Meanwhile, Bob is dealing with a slug invasion at his allotment.
Molly helps Alice arrange a surprise for James, but he is planning the exact same gift for her. Molly goes on a mission to help deliver the gifts without ruining the surprise.
Moira lets Suki keep her pet mouse, Otto, in her office for the day - as long as his cage stays closed. Moira breaks her own rule, and chaos ensues as Otto ends up loose in the Hub.
Euan and his mum have been offered a forever home, and they have to move in immediately. Caitlin worries that Euan won't feel at home right away, so she decides to make him a present.
James is reminded that it's his anniversary - five years since he opened the Kids Club. He and Alice look back on their memories, both good and not quite so good.
Alice gets an important phone call from her mum in Canada. Mrs Juniper and Moira are bickering, and Caitlin's cheeky 'chatterbox' message doesn't help matters.
Ruby is worried about the plastic pollution in the sea. It's making Swishy the mermaid and her friends sick. The Hubbers help her set up a protest, and Mack writes a special song.
Daisy introduces Molly to rescue dog Buddy, and Molly tries to find him a new home. Caitlin wants to know everyone's age, but it's a sensitive subject for some.
James is sad when he realises he's misplaced the scarf that Alice gave him. He really misses her. As the Hubbers share fond memories, they help him in his search.
Mrs Juniper is all aflutter when anonymous food blogger, The Mystery Muncher, decides to review the cafe. Will the visit be a success and earn her a five golden spoon rating?
Moira has so many jobs that need done. She sees Caitlin pretending to be her and it gives her an idea - Caitlin can be Mini Moira for the day and help around the Big Hub.
Molly is sad today, as everything reminds her of Alice. Ruby suggests they make a fairy bundle to help her feel better. Moira turns her nose up at Mrs Juniper's pesto.
Daisy wears a name bracelet which has her Nigerian middle name on it. Eilidh tells Daisy that she has a Nigerian middle name too. Suki helps Mack with a puzzle box.
Mack gets a delivery of toy medals, and presents one to Molly for generously giving her old jacket to Caitlin. This gets Molly thinking - who else deserves a medal at the Hub today?
James and Alice's wedding day is finally here, and the Hubbers can't wait to celebrate. Mack worries about his best man duties, especially when he misplaces his speech.
