Sherlock Holmes in the 22nd Century

Creature adventuring in a bat cave has made the Kratts rather stinky, a state that attracts the attention of a baby elephant, Toothbrush.

The gang talks about seeing and being seen when a pair of black jaguar cubs comes for a visit.

Martin and Chris arrive at Animal Junction determined to build a huge dinosaur model. Zoboo is eager to help out, even though he doesn't know what a dinosaur is.

A flying squirrel glides into Animal Junction in search of a hole to live in.

Animal Junction becomes Lemur Central when friends of Zoboo's, two ring-tailed lemurs, come for a visit. Zoboo is stunned to hear that most people don't know what a lemur is.

A couple of river otters arrive at Animal Junction, and the gang gets in the swim of things.

Chris, Martin and Zoboo can't get enough of slime after four affectionate St. Bernard puppies lick them. All that licking means that the puppies like them.

It's the snowstorm of the century and Martin and Chris race into Animal Junction to find Zoboo waiting for them.

It's the snowstorm of the century and Martin and Chris race into Animal Junction to find Zoboo waiting for them.

A camp-out in Animal Junction gives the gang a chance to discover all of the nocturnal animals around. There are a lot of creatures that sleep during the day and are awake at night.

There are many climbing creatures and they all have different features that help them climb.

The arrival of Arctic Wolf cubs has got Zoboo feeling really wolf-ish.

When a beaver gnaws his way through Animal Junction, Chris, Martin and Zoboo realise that he's looking for wood so he can build his dam.

The discovery of a litter of eight puppies inside Animal Junction casts Martin, Chris and Zoboo in the role of puppysitters.

Martin and Chris follow lynx tracks that lead through the snow to Animal Junction. A lynx has big feet like snowshoes and they leave big tracks that are easy to follow.

Monkey business abounds when a white-fronted capuchin monkey who loves to play catch comes to Animal Junction.

Things get uncomfortable when "the itch" turns up at Animal Junction. The itch drives everyone wild with itchiness, including the lion cubs who can't stop scratching themselves.

There are all kinds of creature ears but they all do the same thing: ears hear.

When a porcupine comes to Animal Junction, the gang focuses on creature coats and how they feel. A porcupine has spiky quills for protection. A sheep has thick wool for warmth.

When a porcupine comes to Animal Junction, the gang focuses on creature coats and how they feel. A porcupine has spiky quills for protection. A sheep has thick wool for warmth.

Chris, Martin and Zoboo focus on running when an emu stops by Animal Junction. An emu is a bird that's too heavy to fly, but her long legs are great for running.

Chris, Martin and Zoboo focus on running when an emu stops by Animal Junction. An emu is a bird that's too heavy to fly, but her long legs are great for running.

Martin and Chris are exhausted after an around-the-world hike, but there's no time for sleep because Animal Junction's full of babies: lynx and bobcat kittens, a baby ring-tailed lemur.

When three capybaras arrive for a visit, Zoboo's amazed to find out that these water creatures are giant rodents.

When three capybaras arrive for a visit, Zoboo's amazed to find out that these water creatures are giant rodents.