From scratch marks to stolen pepperoni slices, the science classroom's a mess -- and all clues seem to point to Wanda's bird friend, Marty the Magpie.
Wanda's been so busy planning this year's Fall Fun Feast that she forgot about the food. Now her only hope is a farm that's supposedly haunted. Gulp!
Ms. Frizzle and the class race across the internet to recover a digitized Arnold before Jyoti's grandmother accidentally deletes him.
The kids learn to see the world through the eyes of different animals when a careless Arnold loses Carlos's pet rat -- then turns her invisible!
While building (and rebuilding) their own space rover to tackle the terrain on a faraway planet, Jyoti and the class learn that it's OK to fail.
The kids go looking for rain to test out Jyoti's latest invention, "The Autobrella," only to wind up with their heads stuck in the clouds.
A little math helps Ralphie make complicated midair calculations when his cousins recruit him to join their high-flying circus act.
Every person and animal poops. But the class isn't convinced that this so-called "brown gold" is as valuable as DA's famous inventor uncle says it is.
Ralphie doesn't believe Tim when he tells him that trees can talk, so Ms. Frizzle takes the class to a forest that's louder than it looks.
The bus takes Ms. Frizzle and the class deep inside Arnold's cousin Janet to learn why our genes makes us look, act and feel the way we do.
A field trip to the center of the sun takes a dangerous detour when the school's safety-conscious principal, Mr. Ruhle, tags along.
Unikitty and Puppycorn just want to veg out on Lazy Sunday, but it is also Chore Day, and Richard keeps trying to force chores on them. They try to escape him by being lazy pirates, and set sail using the couch as a pirate ship to rescue Dr. Fox and Hawkodile from chores, but when they enter Unikitty's room, which is a big mess, Richard uses this as an advantage to get them to do chores by joining the pirate idea and shoot cleaning supplies at them.
With the help of an 'ethical hacker', Jon investigates how easy it is to gain remote access to our smart devices. The G Team compare three gadgets for cleaning cars, and Ortis races an uphill cycling champion using tech.
A race between competitive brothers Carlos and Mikey takes the gang to the top of an in-pasta-ble mountain, where they learn about simple machines.
Catherine Rollins recruits McGarrett and Jerry to help her track down a uranium deposit thought to be hidden on an abandoned Hawaiian island before a suspected terrorist can make dirty bombs with it. Also, when Junior falls and is trapped in a ravine, he reflects on his estranged relationship with his father.
Ella wants to surprise Curtis with the new renovations, but Curtis has other plans.
A look at the aftermath of President Trump's announcement to move the U.S. embassy to Jerusalem and a report from China on advances in facial recognition technology.
Wyatt explores space, alternative fuel and travels to Minnesota to learn about what's wrong with policing.