Chichi and Lola trick their mother into allowing Lola to appear in an egg shampoo commercial.
Students from a large city, Megacity, lodge with Beauvillage residents for a student exchange program.
Chichi and Phil go on a treasure hunt. Meanwhile, a new form of algae has been proliferating there, thus depriving the eels in the river of oxygen.
Chichi fakes illness to avoid taking a math test. The math test is taken to another day because the school goes for a whole day to Splash Land. Chichi tries to leave, but is interrupted by his parents to give him a very long therapy.
The Tofu parents urge their children to respect other peoples' biorhythms. Chichi takes the biorhythm calculator to respect the school kids' biorhythms, but Mrs. Starchy doesn't want it.
Pop suffers amnesia after a blow to the head.
Upon learning that the goat is considered sacred to some cultures, the Tofus begin treating Suzie like a goddess.
Chichi gets into trouble for supposedly cheating in class. Mom learns Zen Blowpipe and the teacher, Mrs. Clara, appears, who's in reality the school curator to check how the Tofus raise Chichi and Lola.
Chichi and Lola play a prank on the neighbours by convincing them that their grandmother's great-niece Gertrude is a younger version of Buba after having eaten cauliflower from the Tofus' garden.
Phil's rare worms are unleashed upon the town during a gardening competition.
The Tofu parents embark on a rubber-recycling project.
Billy holds a Halloween party. Chichi and Lola try to get there, but are interrupted by a pumpkin ghost, who's in reality Titus Hubbub who's stuck in a pumpkin.
Mom prints an ecology newsletter on Lola's diary pages, which were written with invisible ink. Lola tries to get the diary pages from neighbourhood or Billy will find out she got a crush on another guy.
The Tofus rescue circus animals they believe are being held illegally.
Pop and Mom volunteer as trash collectors while Beauvillage's regulars are on strike. Meanwhile, Lola tries to give Billy back his compass, but fails and soon the compass has disappeared.
Lola gets a job working at the Burger Palace to pay for her mother's birthday gift. However, Pop spots her there and this makes Mom very upset. Lola tries to do something.
Chichi wins a contest at Beauvillage Aqua-Park. However, Mom, Pop and Buba try to disrupt it because the Aqua-Park is toxic. Chichi, Lola, Billy and Phil sneak there to prove there aren't any toxic until they find out there's a lot of toxic underwater.
Pop is fired from his job for a mistake made by Chichi.
Mom discovers a stone said to have healing powers.
Chichi and Phil become secret agents. They try to defeat Titus Hubbub's new security robot.
A rain storm forces the Hubbubs to lodge with the Tofus.
Mom replaces the Head Cook in the school cafeteria.
Lola hides in the Hubbubs' new camping car to go on a picnic with Billy, but the car is hijacked.
Buba produces a new delicious breed of organic tomato.
Chichi enters a mini-car race, but is pressured by his parents into building an ecologically-sound vehicle. Meanwhile, Lola isn't interested in races, but becomes interested when Billy asks her to ride with him as a team in a race.
A dangerous wolf is on the prowl in the hills outside Beauvillage, frightening residents.
