Crayon Shin-chan is a popular yet controversial Japanese anime series. FUNimation made their dub more mature in content compared to the original. Shin is a 5-year-old boy who is constantly doing and saying inappropriate things, much to the dismay and annoyance of those around him, with hilarious results. Shin along with his family including his little sister Himawari and his dog Shiro, as well as his friends from kindergarten, ends up turning everyday situations into funny adventures.
Takeshi asks Shin-chan and Suzuki to take him to Masao's house. But, Shin-chan takes him to his house where Takeshi's mother scolds Takeshi. Hiroshi and his family reach for the nuptial before the bride and the groom.
Shin-chan watches a horror show before going to bed and gets petrified in the night. At the end, Shin-chan sleeps with Hiroshi. The principal, Matsuzaka, and Yoshinaga decide to clean the swimming pool. Shin-chan also joins them in cleaning. Misae, Hiroshi, and Shin-chan win a long trip as a gift for the quiz played. The family practice speaking in English as they will be traveling by plane.
Nanako invites Shin-chan to her place. Shin-chan falls asleep in the morning and loses the chance of meeting her. In Action Mask series, Action Mask tries to save the world from Tsubahinbaha. Just then, Misae requests Shin-chan to help her, but he refuses. Misae, Shin-chan, and Hiroshi go in search of a missing dog to earn a reward of Rs 100000. Unfortunately, Patricia returns back to her home.
Misae decides to go on a diet again when she fails to squeeze her waist into one of her skirts. After a week of self-denial, she checks her progress. Kazama talks about an important exam while walking with his cram school friends. Suddenly, Shin-chan shows up in front of them in a poop costume.
Shin-chan goes to the post office and gets diverted. He forgets what he was asked to do and confuses everyone at the post office. Shin-chan and his family visit a haunted house and get scared when a mummy runs behind them to get rid of his band-aid from their hand. Misae gets annoyed due to the house work, so Hiroshi and Shin-chan do the cooking. They realise Misae's situation and thank her.
Misae unknits Hiroshi's old sweater to make a new one for him but ends up knitting a sweater for Shiro with the same wool. Hiroshi is on his way to work when he encounters Shin-chan, who is playing detective and has trailed him to the train station. Shin-chan pesters the passengers in the train with his mischief and his talks. Hiroshi brings Shin-chan to his office. Arriving at the office, Hiroshi tells Shin-chan to wait patiently in the lobby till his mother can come and get him. Shin-chan escapes from the recreational room and meets the president of the company and has fun with him.
The principal gives the Saitama Crimson Scorpions a job of gathering dried leaves and pays them. The librarian appoints Shin-chan as the bookseller. Shin-chan stops Misae from reading a book. But as he would have to risk a hamburger for that, he sells it for free. Shin-chan sees Misae hide her monthly savings, and blackmails her with the word savings. Misae scolds him for that.
Misae forgets to buy some ingredients for dinner that she is cooking for a special guest (a client of Hiroshi), so she asks Shin to go get them for her. But Shin makes this task more complicated than it should. It was later revealed that Hiroshi's client had to cancel the dinner. Shin-chan acts lazy to wake up and go to school because of which, he misses his bus all the time. Misae gets angry on him. Shin-chan and his friends learn drawing in school. Shin-chan finds faults in others, but fails in it himself. His teacher helps him draw a plane.
Misae and Shin-chan stay in door due to a bad weather. Hiroshi returns from work and stays out, as they all fall asleep. The senior students ask Shin-chan to come after school with his team to play, but Shin-chan acts lazy. The senior students cry over it. Shin-chan writes a letter to Misae which states that Shin-chan loves his mother a lot. Misae gets emotional on reading it.
Misae drops Shin-chan to school by cycle and returns home. She wastes her day with the intention of completing her work later. Shin-chan helps Nene-chan find her lost cat. They go to different places to find the cat. But ultimately, they find her at the fish market. Hiroshi, Misae, and Shin-chan go to a car showroom to check the new cars. They pester the sales executive and return home.
Shin-chan, Misae, and Hiroshi suffer from fever due to bad weather. However, the family makes the necessary arrangements. The next morning, their body temperatures return to normal. The Kasukabe Defense Force prepares an agenda for the day and set themselves out to bring peace in the city. Shin-chan saves a boy from two other boys and teaches them a lesson. ??
Shin-chan decides to help people. He meets a man who asks him the way to Kazama's house. But Shin-chan pesters him. Matsuzaka and Yoshinaga build a wooden house for the kids to play. But Shin-chan kicks the football and knocks down the new house. Shiro leaves the house as Shin-chan troubles him. Shin-chan gets very worried about Shiro. However, Shiro returns home in the night.
Shin-chan decides a code for him and his mother as she goes out. Shin-chan makes the courier man utter the code and pesters him. Yoshinaga brings stilts for the kids to play. Kawamura and Kazama give up, but Shin-chan continues performing stunts on the stilts. Shin-chan and Misae go to the station to pick Hiroshi as he doesn't have an umbrella. They decide to get drenched and enjoy the showers.
When Misae and Shin-chan go to a restaurant to eat noodles, Shin-chan drops the bowl of noodles on the table while pouring it in his bowl. Hiroshi, Misae, and Shin-chan go for ice skating o get some winter exercise. Shin-chan skates with great ease and impresses an ice skating champion. Keiko runs away to the home of her friend Misae for comfort and advice because Satoshi scolds her for a cooking silly quarrel. Later, Satoshi apologizes to Keiko and takes her home back.
After much hesitation, Misae gives Shin a tricycle to play with. When he accidentally drops it into a dirty lake, Misae tries to find it. While this is happening, Shin runs off, making Misae think that she's been a bad parent, but it's revealed that Shin ran off because "Action Mask" was starting. Shin-chan has an upset stomach as he's not gone to the toilet for 3 days. The teachers give him medicine and he gets well. Shin-chan goes to a restaurant with Hiroshi as Misae is not home, but Hiroshi finds it tedious being with Shin-chan and is relieved when Misae returns.
Shin-chan plays with Shiro so that his mother can get some sleep. When Misae wakes up, she finds Shin-chan fast to sleep in Shiro's house. Shin-chan goes for English tutions. The teacher gets annoyed with Shin-chan and sends him home with the frog puppet. Shin-chan goes shopping with his mom and purchases crackers. He burns the sparklers on the gas stove but Hiroshi quickly blows it off.
Misae doesn't let Shin-chan in, but he enters anyhow and watches Action Mask. Later, he hides in the washroom to escape Misae's scolding. Shin-chan challenges Kazama to make a big bubble out of the soap water that his mother made for him and wins it. Shin-chan buys 2 magazines and forgets the change at the counter. The cashier runs after him to return it but Shin-chan fails to understand.
Misae and Shin-chan tastes the curry of the famous chef, but dislike it and criticize the food and leave the restaurant. Shiro goes around wandering alone. Shin-chan begins training Shiro but Shiro shows no interest, as he has walked a lot already. Shin-chan participates in the race with Yoshinaga, and Kawamura participates with Matsuzaka. Both teachers run the race alone.