Dex and Kayla investigate a Triceratops family to discover why kid dinos leave, while Dad deals with his own empty nest syndrome by creating his latest epic Crafturday project.

When Kayla's younger sister Kasey won't go to sleep because there's a dino in the house, Dex and Kayla must investigate the ultimate night hunting dino: the Shuvuuia.

Dex and Kayla try to solve Dino Experiment 1017: "How did carnivores get past herbivore's defenses?" by testing mighty plant-eaters in fantastical battles against two brand-new superheroes: Dino Boy and Rock Girl.

While Dad gets ready for a job interview, Dex and Kayla perform a dino experiment on dinosaur colors and why different hues are important for predation, intimidation, attraction, and cooperation.

At the pool, Dex solves Dino Experiment 1003: "Which land dinosaur was the fastest swimmer?" and helps Kayla get her best swimming time yet!

When Dex's sister Saara brings home a blue-tongued skink without a tail, Dex and Kayla wonder: if some lizards can drop and regrow their tails, what about dinosaurs?

While playing a game of laser tag with Dad, against Kayla and Mom, Dex tries to conduct Dino Experiment 1012: "Do Velociraptors hunt alone or in packs?"

Despite their differences, Dex and Kayla must figure out how to use their contrasting strengths to work together and solve Dino Experiment 1001: "What did the T. rex really look like?"

After Dex inherits his Dino Field Guide from his older sister Dana, he sets out on his grandest dinosaur experiment yet: proving that everything we thought we knew about how dinosaurs looked will have to be redrawn. But first he has to convince his geology-loving next-door neighbor, Kayla, to help him.