Scooby-Doo: Mystery Incorporated on Cartoon Network

Season 2, Episode 25
Traveling through the underground caverns, our heroes trail Pericles and company. They soon learn why they've been collecting all four keys on their final journey down to face the Evil Entity. Reaching the treasure chamber before Pericles, they set about destroying the Evil Entity. But, they stop when the Evil Entity speaks to them. Revealing a secret that could change their lives forever.

Season 2, Episode 24
When the gang returns from the Yucatan Peninsula with the ancient spear they think to be the Heart of the Jaguar, they find the town empty! Everyone has been taken underground. Our heroes soon find the townsfolk in chains and digging a vast excavation policed over by Kriegstaffa bots. Professor Pericles and what's left of his Mystery Incorporated are there overseeing the dig. They're looking for the entrance down into the caverns where the cursed treasure and the Evil Entity are buried. Saving all the townsfolk from Pericle's evil clutches, our five young heroes gear up to follow Pericles and his motley crew through the gate and deeper down into the depths.

Season 2, Episode 23
Searching for the Heart of the Jaguar, the Mystery Incorporated gang heads south of the border to search the ancient Mayan ruins that hold the burial chamber of the Hunters of Secrets (the original Mayan Mystery Inc. group). When a horrible Priestess tries to stop them, they must solve the mystery behind it all while figuring out the true location of the Heart of the Jaguar. They ultimately grab an ancient spear buried with the Mayan Hunters of Secrets and take it with them back to Crystal Cove…ready to face the darkness ahead!

Season 2, Episode 26
Discovering the true Heart of the Jaguar, the Mystery Inc. gang work as a team to stop the Evil Entity from bringing about the end of the world. But they're in for a surprise!