Sophie and Liam try to top each other's Mother Day gifts. Old and Young Bennett take a trip down Memory Lane.

Snodgrass creates a giant vampire-dentist-robot to capture the Guardian. Young Bennett, Sophie and Liam try to find the Guardian, but get wrangled into a showdown with Robber Boss.

Old Bennett convinces his younger self to take up Boot Ball, his mom's favorite sport. Things quickly get out of hand when Young Bennett tricks out his Boot Ball boots with artificial intelligence.

After consulting the Unicorn Commandos, Old and Young Bennett build a life-size animatronic moose ninja for Liam's gaming videos. But chaos ensues when the robot moose ninja goes on a terror spree through Star City!

Young Bennett accidentally unleashes an army of sasquatches when he visits his father's shampoo factory.

Robber Boss uses Young Bennett's Engineer Club to devise a break Momma Robber out of jail. Old Bennett builds a headband that turns people's criticisms into compliments.

Snodgrass eyes Young Bennett's robot Edee for military purposes, while Young Bennett and Penelope must work together to fend off an alien crystal.

Bennett invents a device that gives his new pet dog super intelligence. Things go haywire when the dog becomes a talking criminal mastermind!

Old Bennett goes back in time to persuade his younger self to be kinder to his sister, Sophie. But Young and Old Bennett's attempt to make things right turns Sophie into a fearless crime fighter...and puts her in danger!

Young Bennett risks losing his friends when he upstages them during a TV quiz show. Young and Old Bennett construct a snow cone-making robot to help win his friends back, but the robot malfunctions and causes the blizzard of the century!

To bypass being grounded, Young Bennett builds a body-swapping device and trades places with Nira. Meanwhile, the DGS stages a fake commercial to convince Star City that the Mystery Soldier was just a publicity stunt.

With Old Bennett's help, Young Bennett makes a unique music instrument for Sophie that catches the attention of an evil pop star named Trill.

When a mayoral candidate proposes to make the school day longer, Bennett uses AI to create an opponent named Abraham Trutherman to run against her.

The annual Bramble fishing trip goes haywire when Bennett's newest invention turns aquatic animals into giants.

Bennett's ego gets the better of him when he takes over his sister Sophie's Unicorn Commandos fan film. Meanwhile, Inspector Gorgana of the Galactic Alliance meets with the DGS.

Young and Old Bennett build a device called the Emplifier to get Jessica, Liam's latest crush, to notice him. But the Emplifier works too well and turns everyone it encounters into obsessed Liam fans.

The Bramble kids spend too much time on their digital devices. Robber Mama returns and kidnaps Young Bennett.

Bennett devises a get-rich-quick scheme to earn money for a Unicorn Commandos remote controlled monster truck toy. But Young Bennett's actions affects Old Bennett's timeline.

Bennett creates a "sleeping cap" to curtail his grumpiness. But when Bennett's dad Mark uses the cap, the fragile agreement between Earth and the Intergalactic Alliance is jeopardized.

Old Bennett must intervene when both Young Bennett and Snodgrass discover the entrance to the secret elevator.