Stan and Olivia pretend to be astronauts.

The twins search for their missing ice cube.

Stan and Olivia make up their very own song.

The twins learn that caring for things isn't easy.

Stan and Olivia try to clean their room.

The twins offer to help Puff take a nap.

Reach for the sky -- Stan and Olivia are sheriffs.

Olivia offers to help Stan learn how to keep secrets.

The twins make their own cuddly toy.

Stan and Olivia play train with Bigfoot.

The twins try to make a lousy day a little better.

Stan and Olivia play in their PJs.

The twins really want to open their fancy jar of play clay.

Stan and Olivia struggle to figure out an object's name.

A seagull isn't friendly.

Seagulls won't leave Stan and Olivia alone.

Olivia forgets her playhouse's password.

The twins can't wait to throw Bigfoot a surprise party.

Podium is unimpressed with Olivia's painting.

The twins make a triplet that they can play with.

Stan and Olivia open a restaurant.

Stan and Olivia become twins with Bigfoot and Puff.

The twins give Podium a boat.

Bigfoot wants to be the leader, but Olivia won't surrender the job.

While their parents are away, the twins hang out with Magma.

Stan tries to teach Olivia good manners.

Everyone wants to play Treasure Hunters, but nobody wants to be the baddie.

The twins need an ice cream cone.

Stan lets Olivia win a race.

Does Stan like Puff or Bigfoot better? Olivia wants to know.

Stan tackles Magma's maze solo.

Stan hides Olivia's book so she'll play with him.

Stan wants his present for Bigfoot to have the personal touch.

An imaginary trip to outer space proves problematic.

Bigfoot's tooth is loose.

Olivia and Stan want to draw but don't have paper.

The twins want to play different games.

Stan and Olivia argue from inside their dad's pullover.

Podium tests the twins' good mood.

Stan and Olivia love their selfies, but Puff doesn't.

Stan tries to change partners for the soap bubble contest.

The twins wonder why Bigfoot is wearing a crown.

The twins rush to make it to Magma's concert on time.

Stan strives to stop laughing -- forever.

Olivia tries to replace Stan while he's in traffic.

The twins learn the difference between tattling and seeking help.

Stan is scared of Bigfoot's toy.

Stan wants to join a collector's club, but he doesn't have a collection.

The twins pressure Bigfoot to open their letter.

The twins play toy hospital.

Bigfoot's never been angry -- until now.

Stan encourages his pals to throw stuff away.

Olivia plans to stay in her cozy bed for the day.

Stan learns the sheriff isn't as serious as she seems.

Olivia uses her superhero arms to help her pals.

The gang tries not to wake Magma.

The twins want to surprise Bigfoot with a gift, but he won't leave their sides.

The twins deliver a cake.

The twins meet a crab who looks like Podium.

Stan's talent for making balloon sculptures is a burden.

The twins keep everyone from bothering Magma.

The twins don't want to leave their pedal-cars.

Stan, Olivia and Bigfoot make music.

The gang competes to see who can stay hidden the longest.

Olivia and Podium face off in a hula hoop contest.

The twins are enamored with a pair of seagulls.

Stan and Olivia finally get their banana-peeling licenses.

Olivia forgets to make a present for Puff.

The twins' plan to give Bigfoot a gift hits a snag.

Stan and Olivia have one ticket for the sheriff's concert.

The twins invite over too many friends.

Stan and Olivia need a hug, but Bigfoot's unavailable.

The twins aren't big fans of Bigfoot's favorite game.

Stan and Olivia switch beds.