Conny the bunny wakes up with a fever and red spots all over his body. His mother takes him to the clinic and Croco Doc diagnoses him with chickenpox. After a week, the pustules disappear and Conny is feeling better.
Patty the pig is helping her father make a pie, but burns her hand while taking it out of the oven. Her father takes her to the clinic where Croco Doc puts an ointment on her and gives her some advice so that it doesn't happen again.
Jana the gazelle is training for a long jump competition when she slips and injures her leg. At the outpatient clinic, Croco Doc takes an X-ray and discovers that she has broken a bone. Jana will have to wear a cast for some weeks.
Tamara is happy because her mom bought her an ice cream. But when she starts to eat it, her teeth hurt. Croco Doc uses a drill to remove a cavity and places a filling in the hole. He also shows Tamara how to properly brush her teeth.
Danny is worried because he has to go to the doctor for a vaccination. Croco Doc performs a check up and then gives him the MMR vaccine. Danny leaves happy because the vaccine didn't hurt at all.
Conny is enjoying a fun day at the pool, but his ear hurts. His mom takes him to see Croco Doc, who explains that he has an ear infection and gives him some antibiotic drops. After a few days of treatment, Conny feels much better.
Nico is lying on the beach. He feels nauseous and throws up. His skin is red and hurts. His father takes him to see Croco Doc and he explains that Nico has heatstroke. He has to take pain medication and drink plenty of fluids.
Scott finds some of his mother's pills in her nightstand and takes a couple. He starts to feel very sleepy. His mother takes him to see Croco Doc, who makes him drink activated charcoal. Medicines must be kept out of the reach of children.
Bruno the horse can't stop scratching his head, so his mother takes him to Croco Doc. He sees that Bruno's hair is full of lice and nits. He prescribes a shampoo that will rid Bruno of the nasty pests.
A bee stings Igor on the nose, which swells up quickly. An ambulance takes him to the hospital because he cannot breathe well. Croco Doc removes the stinger and checks to make sure that Igor isn't allergic to bees. Luckily, he's not.
Patty is in the attic, when she starts coughing from all the dust. She begins to have trouble breathing, so her mom decides to take her to the hospital. Croco Doc listens to Patty's breathing and diagnoses her with asthma.
Emma's mother is expecting a baby. She has been feeling very tired and her belly has been growing . They go to see Croco Doc for a routine check up. He performs an ultrasound and Emma is able to see her baby brother for the first time.
While Gino is playing with his friends, he hits his head. The cut on his forehead immediately begins to bleed. An ambulance takes him to Croco Doc's clinic, where Croco Doc cleans and closes the wound with stitches.
Nico the chameleon has an itchy red eye. He feels like there's sand in it. His mother decides to bring him to Croco Doc's office, where he cleans his eye with gauze and saline. He checks his eye and puts some eye drops in it.
While playing in the park, Scott touches some wires from a lamppost and is electrocuted. An ambulance takes him to the hospital, where Croco Doc examines him and tells Scott that he is lucky and that it's not serious.
When Nina walks, she feels pain in her feet. Her mom takes her to the doctor. Croco Doc observes that she walks using her whole foot, which does not have any arch. Nina has flat feet, but with the use of insoles, the problem is solved.
Danny is having breakfast. He is eating an egg when suddenly his lips and tongue begin to swell and spots appear on his body. His mother takes him to the hospital. After an analysis, Croco Doc tells them that Danny is allergic to eggs.
Jana has been eating lots and drinking a lot of water for days but despite this, she is losing weight rapidly. Her father takes her to see Croco Doc, who after testing the amount of sugar in her blood, tells her that she has diabetes.
Bea is eating cereal but starts to not feel well. Her belly hurts and she has diarrhea. Her parents take her to see Croco Doc, where he does an analysis and discovers that she has celiac disease, meaning she is allergic to gluten.
Emma is happy because her parents have given her a hamster. But when she tries to pet it, the animal bites her. The wound does not look good so Emma goes to see Croco Doc, who explains that animal bites have a high risk of infection.
Nina isn't feeling very well. She is tired, her whole body aches, and she has a cough and a high fever. When Croco Doc visits her, he tells her she has the flu and recommends resting and drinking plenty of fluids.
Nobody wants Gino the rhino on their soccer team because he gets tired too quickly. In the hospital, Croco Doc diagnoses him with obesity. With a little diet and exercise, Gino becomes the best goalkeeper on his team.
Igor can't see the blackboard very well. Croco Doc gives him an eye exam. They discover that Igor is nearsighted, so Croco Doc gives him glasses. Igor can now see perfectly. Surely his grades in school will improve.
Bea the dog has to go see Croco Doc, but - why? She doesn't feel sick at all. It's just time for Bea to have a routine check-up. Croco Doc checks that everything is working as it should; and it is. Bea is a very healthy dog.
Bruno has crooked teeth. His parents see the problem and make an appointment to visit Croco Doc. After a quick examination, Croco Doc decides to correct Bruno's teeth with braces. After a year, Bruno has a beautiful smile.