Nicky, Dicky, and Dawn challenge Ricky's firm disbelief in superstitions, but when they go too far in proving him wrong, they call on Science Bob to bring Ricky back to reality. Guest Star: Science Bob

The quadruplets' parents discover that someone forgot to flush the toilet.

When The Quads kidnap a rival soccer team's pig mascot as a prank, they have to pass it off as Anne's surprise birthday present to avoid being caught forgetting her birthday.

After Mae gets accepted to a new boarding school, Dawn is desperate to make lasting memories with her best friend before she leaves; Nicky and Ricky secretly audition new best friends for Dawn.

The quads are excited when action star JT Steele comes to live with them while researching his latest role.

When a curse hits the Harper house, thunder goes off and everything turns out bad for the family, the family is trying to find out how this all started, so they retraced all the steps before the curse to try and stop the curse.

After binge watching their favorite reality TV show, the quads decide to make a show of their own.

The quads make a new friend, an amazing inventor, but when not all of them get invited back to hang out again, they start to wonder why.

Ricky is accepted into a junior astronaut training program, but only if his siblings join him.

Dawn grows suspicious of her brothers when Ricky takes credit for artwork that Dicky painted and Ricky uses Dicky's ideas for his own gain.

The quads learn the dangers of misrepresenting oneself on social media when they pretend to be people they are not.

Nicky, Dicky and Dawn challenge Ricky's firm disbelief in superstitions, but they go too far in proving him wrong.

While trying to fit in with the coolest people in school, Nicky, Dicky and Dawn must keep Ricky from making them look uncool.

A misunderstanding almost causes the quads to break up Mae and Miles and disrupt the boys' plans to attend a wrestling match.

The quads are taught a lesson by Tom and Anne when they are forced to wait in line like everyone else when Isaiah Thomas comes to the store to sign his new shoes.

The quads attempt to convince their parents to agree to let Josie to be their new babysitter.

Dawn creates a fake story for her Web-site column, and soon an urban legend about Pigfoot is born.

The kids head to camp for the summer and decide to take on separate new identities, but social-status maneuvers lead them to become entangled with each other.

Ricky is confident in his ability to get elected as class president until Dawn enters the race; Nicky and Dicky go from being Ricky and Dawn's running mates to their rivals.

Squishy Paws runs away when the quads are home alone, and they argue about who should be in charge of the search.

The quads are judgmental about Tom and Anne's plans for the new café, but a wild adventure teaches them not to be so quick to judge.

When Dawn boasts that she is more mature than the boys and is ready to go on a first date, a competition is sparked between the quads.

When the quads each try to be someone they are not, they all learn a valuable lesson about being true to themselves.

Dicky and Dawn's constant battle for control of the remote nearly ruins Tom and Anne's anniversary.

The siblings are given a project to do something special for somebody else on Valentine's Day.