- Mysteries Unearthed With Danny Trejo
TV-PG | History/Travel
- Mummy Unexplained Files
TV-PG | History
- The Machines That Built America
TV-PG | History/Documentary
- The Mexican-American War
TV-PG | History/Documentary
- Minute by Minute
TV-PG | History/Documentary
- Man vs. Shark
TV-PG | History/Documentary
- Million Dollar American Princesses
TV-PG | History/Documentary
- Mummies Unwrapped
TV-PG | History/Documentary
- MysteryQuest
TV-PG | History/Documentary
- Mysteries of the Freemasons
TV-PG | History/Documentary
- The Most Daring Mission of the Civil War
TV-PG | History/Documentary
- MonsterQuest
TV-PG | History/Documentary
- Mafia vs. KKK
TV-PG | History/Special
- The Mystery of the Shroud
TV-PG | History
- Man vs. History
TV-PG | History/Documentary
- The Mega-Brands That Built America
TV-PG | History/Documentary
- Martin Luther King Jr.: Marked Man
TV-PG | History/Biography
- My Grandparents' War
TV-PG | History/Documentary
- Manhattan Project: Mysteries at the Museum
TV-PG | History/Documentary
- Mankind Decoded
TV-PG | History
- Mystic Britain
TV-PG | History/Documentary
- Museum Men
TV-PG | History/Reality
- Man, Moment, Machine
TV-PG | History/Documentary
- The Mexican Revolution
TV-PG | History/Documentary
- Memoria y olvido
NR | History/Biography
- The Manson Murders
NR | History/Documentary
- Mary Berry's Country House Secrets
NR | History/Cooking
- Modern Marvels: Then and Now
NR | History/Documentary
- Mysteries of the Stone Age
NR | History
- Mystery of the Celtic Tomb
NR | History/Science
- Memories of D-Day
NR | History/Documentary
- Mexico
NR | History/Documentary
- Megapolis: The Ancient World Revealed
NR | History/Miniseries
- Metropolis
NR | History/Documentary
- Modern Marvels Essentials
NR | History
- Mystory
NR | History
- Minnesota Historia
NR | History/Documentary
- Mexico's Great Pyramids
NR | History/Documentary
- March to Justice
NR | History/Documentary
- Memory of China
NR | History
- Modern Warfare 2.0
NR | History/Documentary
- Medieval Murder Mysteries
NR | History/Docudrama
- Mysteries of the Bayeux Tapestry
NR | History/Documentary
- The Machines That Built America: Snack Sized
NR | History/Documentary
- Martin Scorsese Presents: The Saints
NR | History/Religious
- Marines in Combat
NR | History/Documentary