It's a Mystery, Charlie Brown
- ปี: 1974
- ประเทศ: United States of America
- ประเภท: แอนนิเมชั่น, ตลก, ครอบครัว, ภาพยนตร์โทรทัศน์, ลึกลับ
- สตูดิโอ: Lee Mendelson Film Productions, Bill Melendez Productions
- คำสำคัญ: It's a Mystery, Charlie Brown, watch It's a Mystery, Charlie Brown, watch It's a Mystery, Charlie Brown fmovies, watch It's a Mystery, Charlie Brown free, It's a Mystery, Charlie Brown online free, It's a Mystery, Charlie Brown full movie, It's a Mystery, Charlie Brown watch online, download It's a Mystery, Charlie Brown hd, It's a Mystery, Charlie Brown online 123movies, It's a Mystery, Charlie Brown 123movies, detective, dog, beagle
- ผู้อำนวยการ: Phil Roman
- นักแสดง: Todd Barbee, Melanie Kohn, Stephen Shea, Donna Le Tourneau, Jimmy Ahrens, Lynn Mortensen
