Mentors

Simon brings Oliver back home from the university using the VisiCron to help him with an invention. But there is a glitch in the VisiCron and Oliver is split into two, one nice and the other one is naughty. The nice one cannot tell a lie but the naughty one is seeking revenge on all the people that treated him bad in high school so Crystal and Simon need to find him before he does something really bad.

When a financial crisis causes Dee's mom to question her faith, Dee brings Moses from the past to advise her, not realizing that she has summoned the young Moses, when he was but a humble shepherd rather than a great leader.

Oliver finds Dee being around this other guy a lot. Oliver decides to bring back Casanova because he thinks that he will be able to give him some tips on attracting girls. Unfortunately Casanova is giving Oliver really bad advice. When Oliver follows Casanova's advice, he makes a huge fool of himself.

After Oliver has a row with his dad, Dee brings the man forward in time as a teenager, hoping that they will learn to better relate to each other.

Dee summons the inventor of basketball, Dr. James Naismith, to coach her on winning an important game.

Oliver accidentally causes himself and Dee to be transported back in time by 24 hours, giving them an opportunity to right a wrong.

Oliver and Dee summon natve American Sacagawea to help in an expedition to expose a refinery that is secretly causing river pollution.

Dee reads Anne Frank's diary entries and decides that Anne deserves 36 hours of free time from the attic hideaway. Anne Frank cannot believe how free it is where Dee and Oliver live from her attic hideaway. Anne starts to really like or should I say love Oliver. Dee and Oliver decide to take Anne to the movie theatre. During the movie Anne steps out of the theatre and meets this punk guy in the theatre's video arcade and finds that there's a lot of goodness in him. So that tought Dee and Oliver how to find goodness in people. At the end of the episode before Anne's 36 hours run out she says that it has been the best 36 hours she has ever had in her life.

Dee is running for Student Council but bad rumours about her are going around the school, so she summons Queen Elizabeth I for political advice.

Ghostly incidents are happening in the school. To help figure out who is responsible for them Oliver and Dee summon Sir Aurthur Conan Doyle. Oliver keeps questioning this punk looking girl who just seems to appear everywhere. Is she a ghost? Is she responsible for the ghostly incidents?

Mrs. Tatlow, an impoverished senior citizen, refuses to accept the groceries that Dee has volunteered to deliver over the Christmas holiday. Undaunted, Dee gets a scrooge-like Oliver to call back the real St. Nicholas to help her deliver the goods.

When Oliver plans on revealing his VisiCron technology to the world in return for fame and glory, Dee brings back the co-discoverer of insulin, Dr. Frederick Banting, whose own widespread fame in his day became nothing but an irritant.

Oliver brings back Beethoven to help Dee deal with a pending operation that could result in her deafness. However, Beethoven is mistakenly brought back from a time when he isn’t deaf yet.

Oliver thinks he lacks “the right stuff” where his father is concerned and, at the same time, his friend Bobby is being bullied by the football jocks. With the witty Oscar Wilde as their guide, they both learn that it’s okay to be themselves.

Oliver summons Napoleon Bonaparte to help inspire his pals to win a newspaper subscription contest.

Dee’s reticence to leave her childhood behind motivates her to summon writer Lewis Carroll, whose real name is Charles Dodgson, who helps her deal with her grandmother’s death.

Dee is upset by her parents’ investment in a toxic pulp mill, so she summons Joan of Arc to help organize a protest, despite Oliver’s reservations.

Oliver has no one with whom he can share his secret, so he summons Alexander Graham Bell. However, his secret is uncovered by a curious 14-year-old named Dee Sampson who, thanks to Bell’s advice, Oliver eventually befriends.

14-year-old Oliver Cates inadvertently transports Albert Einstein into the present with his computer. Before going back, Einstein helps Oliver work through his anger so he can reconcile with his mother, whom the boy blames for his parents' divorce.