Tobot Galaxy Detectives Season 4 Episode 30 Captain Calavera's Palace of Doom

A distress beacon from the Space Guardians leads Mateo and the team to an abandoned castle, where they navigate a series of perilous traps. Soon, they find Sand Crawler and Bus King disabled, and run into Monkeymon, who's searching for a powerful treasure hidden somewhere in the castle. When Monkeymon captures Airhyde and Dozer, Mateo awakens Bus King and Sand Crawler.