Danny is inspired by a new bicycle exhibit at the museum to learn how to ride a bike, and gets help from his best friend the dinosaur.

Detective Chet Gecko and his associate, Natalie Attired, take a case tailing what they think is a cheating boyfriend but are instead led to a school mystery that involves blackmail and robots.

Clark finds everything about school fun and exciting, but his enthusiasm causes problems until he begins inventing rhymes to remind himself to stay cool at school.

Someone is turning the students at Emerson Hickey Elementary into zombies, and it's up to fourth-grade private eye Chet Gecko to find out who.

When Danny and the dinosaur go on a class trip to the big city, they marvel at the skyscrapers, subway, and a carousel.

When Zeke, his twin sister Stephanie, their neighbor Hector, and Hector's cat Fitz slide into the world of Underwhere, Zeke is hailed as a prince who will, according to an ancient prophecy, free the Undies from the evil UnderLord's rule by finding and destroying his throne.

When Danny gets a new puppy, he reunites with longtime friend Dinosaur for a fun-filled day of playing fetch and rolling over, dinosaur-style.

When the new penguin at school turns out to be a private eye, Chet Gecko confronts not only a devious sparrow but also his own jealousy.

Something is trashing the classrooms at Emerson Hicky Elementary School, and sixth-grade private eye Chet Gecko sets out to find the creature who's responsible.