After science teacher Mrs. Murawski announces a science project, Milo, Zack, and Melissa must overcome Murphy's Law to protect an egg and their grades.

Zack, Melissa, and Milo attend an opera performance with Amanda, but Milo accidentally ends up backstage and attempts to prevent any havoc from occurring.

A jaded science substitute teacher, Ms. Baxter, re-discovers her love of teaching after a life-altering day with Milo.

Cavendish and Dakota compete against two of the agency’s top operatives, Brick and Savannah, to impress their boss.

When Cavendish and Dakota stop Milo from destroying a pistachio plant, they change the future. Pistachio plants become sentient and take over the planet, so Cavendish, Dakota and Milo must race through time to save the future.

Zack doesn’t think anything about Halloween can scare him anymore, but he didn’t account for Murphy’s Law.

Milo surprises his parents by inviting the extended Murphy family to town for Christmas, multiplying the effects of Murphy’s Law.