Kids find an underground city with giant moles

The Perils of Penelope Pitstop is an American animated television series produced by Hanna-Barbera Productions that premiered on CBS on September 13, 1969. The show lasted two full seasons, with a total of 17 half-hour episodes produced and released, the last first-run episode airing on January 17, 1970. Repeats aired until September 4, 1971. It is a spin-off of the Wacky Races cartoon, reprising the characters of Penelope Pitstop and the Anthill Mob. This show airs reruns on Cartoon Network classic channel Boomerang.

A party of archaeologists discovers the remnants of a mutant five millennia-old Sumerian civilization living beneath a glacier atop a mountain in Mesopatamia.

Documentary that takes a look at the making of Universal's The Mole People

On his latest expedition, Dr. Rick Marshall is sucked into a space-time vortex alongside his research assistant and a redneck survivalist. In this alternate universe, the trio make friends with a primate named Chaka, their only ally in a world full of dinosaurs and other fantastic creatures.

Rick Marshall and his children Will and Holly are on a weekend expedition rafting down a river when an enormous earthquake diverts them to an eclectic alien world inhabited by dinosaurs, chimpanzee-like cavemen called Pakuni, and aggressive, humanoid lizard creatures called Sleestak.

One day, a little mole discovers that all of the other animals have a friend of their same species to play with, but the mole is all alone and very sad. To make matters worse, all the food is starting to rebel. A fat earthworm escapes in a hurry, right under the mole's nose. The hunt inside the tunnels begins! Finally the earthworm is caught, but just as the mole is about to bite down, he realises that it's not an earthworm but another mole's tail. Now that they've found each other, there's a happy ending under the molehill.

A group of intrepid filmmakers explore the abandoned subway tunnels beneath New York City in search of the mole people.

A mole lad with sensitive vision is allowed outside to play in the daylight on the condition that he stay close to home. Outdoors, he meets a traveling sales-skunk.

Mole decides it's time for an adventure! It isn't long before he discovers all the fun and thrills of the riverbank in the company of his new found friend, Rat.