Ep 12. The Mad Scientist

When Lincoln invites his classmates over for a science project, he's eager to showcase his skills as one of the brightest students in class. However, things take a wild turn when Lisa, Lincoln's science-loving sister, decides to take on the role of a mad scientist and conduct some wild experiments of her own.

As Lincoln and his friends present their projects to Lisa, she can't help but scoff at their work, claiming their ideas to be rather amateur and not as sophisticated as hers. Lisa then unveils her new invention - a robotic arm that she plans to use to assist with daily activities. However, when the arm goes haywire and starts wreaking havoc around the house, it's up to Lincoln and his friends to put a stop to it.

Meanwhile, Lincoln's parents, Lynn Sr. and Rita, are in the midst of a battle against a pesky raccoon that has been getting into their trash. Despite their efforts to shoo it away, the raccoon continues to cause chaos around their yard, prompting Lynn Sr. to try a variety of unusual methods to get rid of it.

With chaos ensuing both inside and outside of the house, Lincoln and his friends team up to tackle Lisa's dangerous invention while Lynn Sr. continues to battle the raccoon. Through teamwork and problem-solving, the Loud family manages to overcome their challenges and come out on top.

The episode is filled with humor, action, and plenty of scientific exploration, making it an entertaining and educational watch for both kids and adults alike. As always, The Loud House season 5 episode 12 delivers a heartwarming message about the importance of teamwork and the power of family - proving that no matter how challenging a situation may seem, it can always be overcome with a little bit of creativity and a whole lot of love.