When a rare white tiger cub goes missing from the Animal Park, Lexi, Lottie and Fred investigate. After tracing the theft to a school friend and fellow journalist of Fred's, they arrive too late, the tiger cub has run away. With a bit of 'animal profiling' and an important clue that Lottie pieces together, they finally track it down to the home of an old lady who thinks it's a kitten. Will Fred's quest to write his first ever cover story be destroyed by the missing cub?

A gorilla at the Animal Park loves to paint, but someone steals her paintings.

When a valuable violin goes missing in the Animal Park, the suspects include another violin player and a music shop owner.

Lexi, Lottie and Fred's investigations around a missing pig lead them to a children's author who is writing a crime book with a pig as the main character.

When Tammy the Turtle falls mysteriously ill, Lexi and Lottie suspect someone has poisoned her.

Lexi and Lottie, wearing panda costumes, try to earn money for a new panda enclosure by busking in town. At the same time, two crooks - also wearing panda costumes as disguises - are robbing a bank.

It's the day of the school Science Fair and Lexi has a winner of a project. But when she overhears a plot to rob the school canteen, she's locked in a stationary storeroom and can't investigate the crime or show her science project.

There has been a particularly large litter of baby ermines at the Animal Park and Dad has organized for the neighboring Uberwood Animal Sanctuary to adopt them. But Lexi and Lottie soon discover that it's a con.

Identical twins, Lexi and Lottie, are fed up with being mistaken for each other so they decide to change their appearance so people can tell them apart and they stop working as a duo.

Lexi and Lottie are fed up with being mistaken for each other and with being referred to collectively as 'the twins', so they decide to change their appearance so people can tell them apart and they stop working as a duo. When two kids' pets go missing, Lexi and Lottie each take a case and investigate it on their own and, as a result, vital clues get overlooked. However, when their pet chameleon, Picasso, is stolen, the twins realise they have to join forces again to solve the three crimes.

A rare diamond at the zoo has been put up for auction but has mysteriously been stolen. Can Lexi and Lottie find out who the thief was?

When clothes go missing from clotheslines across Appleton, the detectives are on the case. They discover two different animal species are working in cahoots to swipe the clothes for a lady selling them at a market stall.

The detectives are befuddled by a very arty attack on the Animal Park and across Appleton, but a fake story published in the Appleton telegraph flushes out the perps.

When it looks like sheep rustlers have struck, Lexi, Lottie and Fred investigate to find the real fraudsters and reveal the clever trick they played.

The Animal Park is raising funds to build Wildlife Crossing tunnels by selling cute plush toys of the wildlife. When the detectives discover lots of their plush toys are suddenly being returned, broken, they investigate.

The McKenzies are trying out two new attractions at the Animal Park; a holiday program for children and a sunset concert for adults, featuring a world-famous singer, Katerina Katt.

When strange phenomena appear around Appleton - crop circles in the snow, flashing lights in the sky - Lexi believes they may be alien visitors. But Lottie is convinced they're a man-made hoax.

When an elephant starts acting strangely, our twin detectives uncover that she is calling out to her long lost sister six miles away.

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When a green tree python, Grandpa, six baby ducks, the mother duck and a string of hand-made, organic, hormone free pork and fennel sausages go missing all at once, Lexi and Lottie investigate.

When a pregnant giraffe gets sick because it has been fed candy, Lexi and Lottie are determined to find the culprit, but things get complicated when someone starts stealing bags from visitors at the zoo.

When a keeper at the Animal Park is missing from duty it looks like wild boar piglet might pine and starve, until Lexi and Lottie follow the clues and find him.

The animals are suddenly noisy at night. The twins sleuths and Fred discover they're being set off by a drone flown by a developer who wants to close the Park and build a shopping centre.

When two chefs competing in Appleton's 'Supreme Chef' competition have their special sea vegetables stolen from their rooftop gardens, Lexi and Lottie investigate.

The detectives investigate a series of thefts from the Animal Park that lead them to a cat burglar of the feline kind. This leads them to solve a series of real cat burglaries in Appleton homes.

When Lexi and Lottie help Dad collect an old draft horse from Farmer Wong, they discover an old clue in a saddlebag.