Neutron in order
Neutron and the Black Mask series 5 films, 6h 38m in all, in release order.

Neutron and the Black Mask
1962 · 72 min
New
Neutron the Atomic Superman vs. the Death Robots
1962 · 80 min
New
Neutron vs. Dr. Caronte
1963 · 80 min
New
Neutron Battles the Karate Assassins
1965 · 85 min
New
Neutron vs. the Maniac
1965 · 81 min
New
Frequently asked questions
What order should I watch Neutron in?
1. Neutron and the Black Mask (1962), 2. Neutron the Atomic Superman vs. the Death Robots (1962), 3. Neutron vs. Dr. Caronte (1963), 4. Neutron Battles the Karate Assassins (1965), 5. Neutron vs. the Maniac (1965).
How long does it take to watch all of Neutron?
About 6h 38m across 5 released films.
Do any Neutron films have post-credit scenes?
None are listed on TMDB.