The C21 Special Task Force (1998)
The C21 Special Task Force follows five middle school friends - Minh "the Owl," Sơn "Brainy," Sáng "Chubby," Tùng "Skinny," and Quang "Basket" - who share a passion for detective work. Together, they form the C21 Special Task Force, using their intelligence, courage, and keen powers of deduction to