14-year-old Oliver Cates inadvertently transports Albert Einstein into the present with his computer. Before going ba...

Oliver has no one with whom he can share his secret, so he summons Alexander Graham Bell. However, his secret is unco...

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

Dee’s reticence to leave her childhood behind motivates her to summon writer Lewis Carroll, whose real name is Charle...

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

Oliver thinks he lacks “the right stuff” where his father is concerned and, at the same time, his friend Bobby is bei...

Oliver brings back Beethoven to help Dee deal with a pending operation that could result in her deafness. However, Be...

When Oliver plans on revealing his VisiCron technology to the world in return for fame and glory, Dee brings back the...

Mrs. Tatlow, an impoverished senior citizen, refuses to accept the groceries that Dee has volunteered to deliver over...

Dee brings in Edgar Allan Poe to help make a Halloween fundraising event spooky, but Poe is charming and anything but...

Oliver wants to impress his father by winning a team “orienteering” contest: a race through wilderness terrain with o...

Dee convinces Oliver to summon Cleopatra to help her audition for a school production of Shakespeare’s Antony and Cle...

When Oliver and Anne get lost hiking in the woods, Dee brings back Daniel Boone to help track them down.