The invisible boy Chip intends to enter his invisible dog Max in the dog show, but when Max goes missing, Chip and his Invisible Inc. friends suspect foul play.

The McGurk Organization's four young detectives match wits with a nine-year-old scientific genius to unravel the mystery of the "invisible dog".

The McGurk Organization's four young detectives match wits with a nine-year-old scientific genius to unravel the mystery of the "invisible dog."

The Woodlanders help solve the mystery of the lost dog.

The three investigators are hounded by supernatural forces as they attempt to recover a stolen sculpture of a legendary wolf-dog.