Americanized Godzilla in order
Because of the Godzilla franchise success in Japan, heavily re-edited "Americanized" versions of some films were made for a theatrical release more suitable for the American audience. 4 films, 5h 42m in all, in release order.

Godzilla, King of the Monsters!
1956 · 81 min
Popcorn Flick
Gigantis, the Fire Monster
1959 · 78 min
Popcorn Flick
King Kong vs. Godzilla
1963 · 96 min
Popcorn Flick
Godzilla 1985
1985 · 87 min
Popcorn Flick
Frequently asked questions
What order should I watch Americanized Godzilla in?
1. Godzilla, King of the Monsters! (1956), 2. Gigantis, the Fire Monster (1959), 3. King Kong vs. Godzilla (1963), 4. Godzilla 1985 (1985).
How long does it take to watch all of Americanized Godzilla?
About 5h 42m across 4 released films.
Do any Americanized Godzilla films have post-credit scenes?
None are listed on TMDB.