01. Roaming Gnomes
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?!
02. The Wizard's Whistle
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!
03. Flight! Camera! Action!
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!
04. Laughter of the Lake
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?
05. Shoe Dunnit
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!
06. Get a Wriggle On
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!
07. The Good, the Bird and the Ugly
Grumblestunk is getting competitive during 'Porthole In Bloom', but so are the local robins! Why are the red-chested birds turning on each other?
08. Message in a Bottle
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?
09. Bats the Way I Like It
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?
10. Runaway Rubbish
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!
11. Beat of the Drum
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!
12. Hole in the Fence
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...
13. Bananas at Dawn
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!
14. The Big Spot
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!
15. The Tiny Tidy People
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...
16. The Porthole Penguin
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!
17. The Sneaking Spotters
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?