Young Bennett Bramble ignores his sister when she says she's scared of the ghosts in her closet. Shortly thereafter, he gets a visit from his 61-year old self who has invented time-travel through the mind. He's there to help Bennett become a better person so he won't be alone in the future, but when he motivates Young Bennett to build a fear-free helmet out of Sophie's bicycle helmet, he ends up turning her into a stunt woman who wants to be a superhero. Can Bennett turn off the helmet before Sophie ends up hurting herself?

When Young Bennett and his brother Liam get into a feud over a vlog sponsorship, Old Bennett convinces Young Bennett to create a Moose Ninja as a form of truce that'll help smooth things over. When Moose Ninja tries to drink bottled water though, it shorts him out and as a result, he goes on a rampage. Can the Brambles find a way to save their brother, or is Bennett about to learn what real life loss is all about?

Old Bennett tries to convince his younger self to not get a pet after Penelope's father changes their apartment's animal code to allow her to get a pet cat, but Old Bennett worries how his younger self will take things if his new pet runs away. Realizing what his older self is worried about, Young Bennett decides to create some smart earmuffs which will allow his dog to become smart, but when Edee's holovideo mob battle plays instead, it creates the Mob Dog, turning Duke from Man's Best Friend to Man's Worst Nightmare.

When Young Bennett makes sure he answers all the questions at a Quiz Bowl, the Quizzards decide to kick him out of the group. To try to win back their friendship, he decides to build a robot named Mr. Cold that will appease each of them, but when Mr. Cold steals all the Climate Controls and decides to create a Snowmageddon, the Quizzards must figure out how to stop him and save their former member.

When Young Bennett exaggerates on what his father does as a chemist, he is slated to receive a failing grade unless he goes out and spends the day with his dad at work. Seeing no other choice, Mark accepts, leading his undercover agency to take over the local shampoo factory for one day. However, when a secret compound Mark is supposed to be studying gets mixed in with some shampoo, it starts to turn all the undercover agents into sasquatch monsters, forcing Bennett and his dad to come up with a new chemical to reverse the cause. Meanwhile, Carla agrees to let Liam and Sophie stay home for the day under one condition- they learn through self life lessons what true work is.

Young Bennett wants to attend his Engineer Club, but an argument with his sister makes doing so a hard time unless he can first learn to get along. In order to help him do so, Old Bennett invents a device that will cause the mind to change all negative responses into positive ones, but when a group of convicts escapes and goes undercover at the Engineer Club, asking for a laser and promising a monetary reward, Young Bennett and Sophie decide they should dive in full throttle without worrying about any consequences that may occur.

Young Bennett is forced to play sports by his school, but his only choices left are the dangerous sport of Boot Ball or ping pong. Old Bennett warns him not to join ping pong because his dad's a ping pong champion that'll never let him rest, so Bennett joins Boot Ball thinking that he'll never have to play. After five of his teammates get hurt, however, Bennett is forced to play and he learns his mom was a boot ball champion. Not wanting to let anyone down, Young Bennett decides to reprogram his boots to win at any cost, but they go haywire and refuse to listen to any command other than win at all costs. Now Young Bennett must find a way to fix his predicament before it's too late.

Mother's Day has arrived, and once again Young Bennett has forgotten to do something for her because he doesn't remember everything she has done for him. To remedy the situation, Old Man Bennett creates an entry to the brain's inner sanctum where they can see everything she has done for them, but when Carla accidentally awakes Young Bennett, Old Man Bennett gets trapped inside his younger self's brain, meaning that if Young Bennett can't find a way back, his older self could be destroyed. To make matters worse, he still needs to figure out what he's going to do for his mom for Mother's Day.

Young Bennett decides that he must fix the AC when it goes haywire at his house, but in the process, he gets caught by the cops and Mr. Snodgrass, the latter of whom realizes that Bennett appears to have a genius IQ and decides to offer him an internship, but Old Man Bennett is worried because he realizes that it is a year before it was supposed to take place. Now Old Man Bennett must figure out the best way to teach Young Bennett how to spend time with his family while balancing an internship. Can Young Bennett learn how to work with Penelope though when they've been life long enemies?

Young Bennett decides to join a club to find out who the mystery soldier that continually saves the city is, unaware that he's not the only one interested. Reginald Snodgrass commissions a giant robot that will strike fear into the city and reveal the identity of the mystery sold1er- Count Dentist. When Old Man Bennett refuses to answer his younger self, Young Bennett decides to become a rebel, but when he accidentally joins the local crime syndicate, the mystery soldier is forced to do battle with the local syndicate and with the Count Dentist. In the end, Count Dentist is able to dissolve the soldier's suit, revealing its identity as Carla, but she gets away safely without anyone realizing that it is her. Shortly after, Young Bennett finds the secret entrance and must decide what to do.