The kids meet spooky storyteller Mary Shelley who shows Xavier how to tell a story that is both spooky and silly; Harry Houdini teaches Brad how to keep calm when he's scared.
Isaac Newton shows Xavier that when it comes to solving something tricky, it's best to slow down and think through the problem; Golda Meir shows Yadina that she should tell people when there's a big problem, so it can be solved together.
Brad meets Winston Churchill and learns the importance of speaking up for yourself; Xavier talks to Cleopatra about how to ask his parents if he can stay up late to see the super moon.
Our heroes go back in time to meet someone who made all kinds of friends: Catherine the Great. Then, the heroes go back in time to meet someone who was deeply connected to the stories of his ancestry: Tomioka Tessai.
Our heroes are sent back in time to meet a pair of brothers who knew a thing or two about crashing: Orville and Wilbur Wright. Then, our heroes are sent back in time to meet three story-telling sisters: Charlotte, Emily and Anne Bronte.
Xavier is afraid he will be unable to perform his comedy show after he hurts his wrist but Mark Twain shows him that laughter can make hard things easier; Abigail Adams helps Yadina realize that a missing color will not ruin her painting.
Watching Julia Child follow a step-by-step recipe encourages Xavier to do the same to build a model airplane; Neil Armstrong inspires Yadina to try new things.
Our heroes travel back in time to meet someone who had to overcome a lot to learn how to do just about anything: Helen Keller. Then, the friends meet someone who worked his whole life to help people be heard: Alexander Graham Bell.
The heroes travel back in time to meet legendary nurse Florence Nightingale. Xavier accidently smushes a flower in the garden. The trio travel back in time to meet an expert in plant care: George Washington Carver.
Our heroes are sent back in time to meet the ultimate renaissance man: Leonardo da Vinci. Then, Xavier takes his pal back in time to meet someone who never backed down from a challenge: Amelia Earhart!
Brad is reluctant for Xavier and Yadina to read the comic he wrote because it's personal; Charles Dickens explains to Yadina that she doesn't need toys, her imagination can make everything more fun.
Jackie Robinson helps Yadina when a child on the playground makes up rules that are unfair; Anna Pavlova encourages Xavier not to give up being a magician just because he made a few mistakes.
Mary Leaky helps Xavier develop a strategy for a difficult scavenger hunt -- slow down and look around; Alexander Hamilton helps Yadina realize that starting first grade is an exciting adventure.
Theodore Roosevelt helps Brad overcome his dislike of creepy crawly things, showing him that nature needs space to live and grow; Eleanor Roosevelt teaches Xavier that any job can be amazing as long as you help others.
Lou Gehrig helps the gang focus on the good stuff rather than moping about a few bad breaks; Marie Owens shows Xavier, Yadina and Brad how to solve problems in a positive way.
Xavier is upset thinking he won't be able to bring the museum to his friend in Japan, but Nikola Tesla encourages him not to give up; Nellie Bly helps Yadina overcome her fear of the monkey bars.
An argument between Xavier and Yadina ends badly, but Maya Angelou helps the siblings find a way to forgive each other; Frederick Douglass helps Xavier when he becomes frustrated with his schoolwork.
Brad gives up on hide-and-seek until Kate Warne helps him figure out how to play the game better; Sir Arthur Conan Doyle helps Xavier decide what to get the new girl in class for her birthday.
Cesar Chavez helps Xavier, Yadina and Brad find the inspiration to tackle a big mess in the playroom; Dolores Huerta teaches Xavier, Yadina and Brad that it is important to speak up when they see someone in need.
Xavier and Yadina overcome a sibling spat with the help of Confucius; Sacagawea helps Xavier and Brad realize that just because Yadina is younger, she can do more than they think.
Billie Jean King encourages Brad to take his first ballet class; Arthur Ashe helps Xavier, Yadina, and Brad see why they were wrong to exclude a new student at school from their game.
Xavier, Yadina and Brad learn a lesson about treating everyone equally when they meet Rosa Parks; Thurgood Marshall shows Xavier how to be fair with everyone when it comes to a big piece of pie.
Xavier, Yadina and Brad learn about courage and bravery when they meet Harriet Tubman, a woman who escapes slavery and risks her life to help others do the same.
Wilma Rudolph encourages Xavier to stay with track and field even though he thinks he should quit; Jonas Salk explains that you don't need a reward for doing a good deed.
Inventor James Naismith inspires Xavier, Yadina and Brad to invent their own game; Temple Grandin helps Yadina make friends with a new boy from her class, Ben.
Albert Einstein encourages Xavier to ask questions when he is curious about something; Carol Burnett helps Yadina overcome her fear of looking silly by explaining that sometimes it is good to laugh at yourself.
Yadina gets advice from Abraham Lincoln after she accidentally loses her friend's toy; Jane Jacobs inspires Xavier, Yadina and Brad to rebuild their fort.
Edmund Hillary explains to Xavier that even the most courageous adventurers ask for help when they need it; Yadina prepares for a special birthday performance with the help of Celia Cruz.
Jigonsaseh, the original Haudenosaunee Clan Mother, inspires the trio to stop arguing with each other; Sacagawea helps Xavier and Brad realize they shouldn't underestimate Yadina just because she's younger than them.
Ibn Battuta shows Brad that a change of scenery might help him finish his comic book story; Beulah Louise Henry inspires Yadina to keep working on her invention.
