Roll No. 21 - Season 1

When Kanishk fails to defeat Kris, his family from the Nethworld come to visit. While there, the teachers uncover a magical stick, in hopes of training Kanishk and the minions to become the most evil demons to finally conquer Kris.

During Friendship Day, a competition begins to see who is the most popular kid at school. As the competition heats up, Kanishk and Kris join forces against three minions attempting to defeat them.

The holidays begin at Mathura Anath Aashram. As the school is on holiday, bored with his free time, Kanishka pleads with Dr. J to build a time machine in order to summon demons and have them follow him into an evil plan to wreak havoc.

When Kris begins to act strangely, Golu, Bablu, Madhu and Sukhi begin to raise questions. Later, they soon discover Tarak and Kanishk are responsible and disguised the evil Chatur Chalbaaz as Kris to play tricks on them.

A day at school takes a turn when Kanishk makes Besurdas, the demon musician teacher, and Vasudev, the school PT teacher, switch places.

Outside the Ashram, Kris sets up a free pet wash for everyone at school. When Dr. J brings his three cubs, they transform into ferocious ninja cubs that destroy everything and everyone in sight.

One day, Madhu creates his alter ego, Maddy, in order to become a popular kid in class. To do so, Madhu and Dr. J devise a plan to have Maddy defeat Kris in a virtual world, in hopes of becoming everyone's favorite.

During "Show and Tell", Bablu is eager to share his ancient armor and models it for the class. Chaos quickly ensues when Bablu transforms into evil and gains strong powers, leaving Kris to fight him before it's too late.

During the Science Fair, the school's students and teachers compete for the best science experiment. While there, Kanishk asks Dr. J's advice and help from Patanga, a tech-savvy kite maker from the Netherworld, in order to defeat Kris once more.

Fed up of Golu's constant bullying, Madhu makes a bully-proof helmet that uses one's opponent's power against them. Having this knowledge, Dr. J steals the helmet and gifts it to Kanishk in an attempt to defeat Kris.

In the classroom, Vrishchika seeks revenge on Kris with bugs. Vrishchika's plan quickly fails when Dr. J asks the students to start counting bugs, and Kris joins forces with his friends to defeat the bugs and Vrishchika with a giant peacock.

As a reward for good behavior, the students of Mathura High are taken to the fair. While there, Golu wins a special toy puppet that he names Gudda, but the day quickly takes a turn when Gudda suddenly goes missing.

Pinky and Kanishk join forces and devise a plan of attack to defeat Kris. The battle quickly takes a turn when they come together with Bablu and Sukhi and use Chhaya Maya as a weapon.

On Bablu's birthday, the kids prepare a surprise party. For Bablu's present, Kanishk plots to banish Kris from earth and summon BunBun, a demon spider from the Netherworld. Kris has other plans and manages to defeat her and plan an unforgettable birthday.

During Superhero Day, the children and teachers compete for the best costume. Chaos quickly ensues when a fight unfolds when Kanishk cannot control his jealousy and rage.

One day, Kanishk summons Kaka-Bhusasur, the evil scarecrow to handle Kris and the others. Chaos quickly ensues when the kids transform and attack Kris, but Sukhi comes to the rescue when uncovering Kaka-Bhusasur's weakness.

Yogacherri visits from the Netherworld to seek revenge on Kris. While there, Yogacherri uses his powerful bangles and brass bracelets to attack Kris, but his redemption takes a turn when Kris defeats him in order to protect the others.

At the Aashram, the evil painter called Ranga returns after being summoned by Kanishk. To defeat Ranga, Kris must protect his friends before they are sucked into his magical painting.

This year, Kris, Bablu and Kanishk compete to be chosen for this year's class monitor. Chaos ensues when Kanishk hatches a plan to send Bhola, the Netherworld's gremlin to attack Kris, and Kris attempts to change the rules to secure votes.

Golu has an encounter with an alien that has disguised himself as a fly to seek revenge on Krishna. Chaos quickly ensues when Golu brings "the fly" to school and Dr. J captures him, ruining his plan for vegence.

Chaos ensues when Kanishk convinces Dr. J to steal Queen Moongila's diamond-studded tiara. When the Queen discovers her tiara has gone missing, she immediately suspects Kris and deploys an army for its safe return.

When the Gods get wind of Kris' rising pranks on earth, they demand he focus more on his studies. Meanwhile, Kansa gets wind of this information and does everything in his power to stop Kris from doing well by devising a plan for his failure.

The minions, Dr. J, Suparna and Tarak join forces and plan to end Kansa's evil wrath. Meanwhile, Kanishk is still determined to defeat Kris and plans a final battle to end him once and for all.