25 episodesFirst aired 10 November 2025
E1Nov 202511m
Grandad's gnomes go missing and Stan's mystery deepens when he finds a tiny human handprint! The gnomes can't really have come to life, can they?!
E2Nov 202511m
Melanie won't go to her favourite beach because of a strange sound known as The Wizard's Whistle! Is it a bird? Is it a kettle? Stan and Gran investigate!
E3Nov 202511m
Grumblestunk's new speed camera catches Stan breaking the speed limit on his scooter, but he can't have been! Stan and Gran have to clear his name!
E4Nov 202511m
Stan and Gran get the giggles while spotting nature on the Ley, and the lake seems to be giggling back at them! Who is that laughing?
E5Nov 202511m
Beach shoes have gone missing; some red hair is found at the scene and Grumblestunk is blaming Stan! Who really did it!? Stan and Gran spy a mystery!
E6Nov 202511m
Sand! Sea! Worms! Stan and Gran must quickly discover where all these worms came from or Ellie's new clothes drying service will be ruined!
E7Nov 202511m
Grumblestunk is getting competitive during 'Porthole In Bloom', but so are the local robins! Why are the red-chested birds turning on each other?
E8Nov 202511m
Stan finds a treasure map in a bottle on the beach. Could it really lead to finding the lost treasure of dread pirate Abby Birdy?
E9Nov 202511m
The bats that nest in Grandad's shed each year are missing. Can Stan and Gran encourage these nocturnal creatures to return when they can't hear them?
E10Nov 202511m
Stan and Gran are enjoying a beach clean, but the rubbish seems to have a mind of its own! When a yoghurt pot goes walk-about, Stan spies a mystery!
E11Feb 202611m
Stan, Grace and Brody form a band, but a mystery drummer joins in somewhere across town. Stan and Gran go on a hunt for their invisible bandmate!
E12Feb 202611m
Strange holes in garden fences are popping up all over Porthole and Stink has gone missing! Stan and Gran spy a mystery and decide to investigate...
E13Feb 202611m
Grumblestunk is sure she saw an enormous banana when she walked Stink on the beach early that morning and Stan and Gran spy a mystery - but no banana!
E14Feb 202611m
Grumblestunk is sure she saw an enormous banana when she walked Stink on the beach early that morning and Stan and Gran spy a mystery - but no banana!
E15Feb 202611m
Strange holes in garden fences are popping up all over Porthole and Stink has gone missing! Stan and Gran spy a mystery and decide to investigate...
E16Feb 202611m
When a penguin takes a shine to Stink's bed, and Grumblestunk decides to open a zoo, Brody is unimpressed, so Stan and Gran are forced to investigate!
E17Feb 202611m
Stan and his friends are at the Ley to do a nature survey but strangely, there doesn't seem to be anything to spot. Where has all the wildlife gone?
Feb 202611m
Stan spots a swift and spies a mystery - why don't they ever land?
Feb 202611m
Stan and Gran find a mysterious old carved piece of wood while they're beachcombing.
Feb 202611m
Cove beach is covered in a swarm of starfish! But everything is not as it seems!
Mar 202611m
Stan finds a special star stone which Grandad believes will bring him luck - and it does!
Mar 202611m
Grandad puts caterpillars in a box for rehoming. Then Stan gets a surprise when he checks.
Mar 202611m
Stan keeps hearing the tune of an ice cream van but it's not there!
Mar 202611m
Stan is intrigued when he spots strange lights in the night sky.
Mar 202611m
A fish has gone missing from Grandad's pond.