Overview: Rosie wants to win the Raucous Riveters Reunion Race — but something's wrong with her car!
Overview: The gang reinvents a toy for Ada's cousin, who has autism.
Overview: Ada and Rosie make a public speaking potion to help boost Iggy's confidence.
Overview: To get glitter off the rug, the team turns a negative into a positive.
Overview: Ada builds a DadBot to make Mom's life easier around the house.
Overview: The friends learn all about thunderstorms to help Rosie feel less afraid of them.
Overview: Iggy designs a bridge to help a stranded Arthur cross the creek for Free Ice Cream Day.
Overview: Tents are on the agenda when the Twists take everyone camping.
Overview: Ada tries to get her parents' old roller skates back into shape.
Overview: The kids use their heads — and noses — to keep Ada's pet spider out of the house.
Overview: A creeped-out Iggy's convinced there's a ghost in his basement.
Overview: The team tests different materials to keep Lil' Liz and her terrarium warm.
Overview: Laughter's the best medicine... but is it contagious?
Overview: Ada hopes muscle memory can help her ace her dance moves for an upcoming recital.
Overview: The Science Scouts build a hotel to bring bees back to the park.
Overview: Ada's so worried about making the perfect prototype that she can't stop sleep-working.