Relentless in order

Film series follows Los Angeles Police Detective Sam Dietz 4 films, 6h 4m in all, in release order.

Relentless
1989 · 92 min
Two Los Angeles police detectives hunt for a serial killer who randomly chooses his victims from a phone directory.
New
Dead On: Relentless II
1992 · 93 min
Detective Sam Dietz is paired with a shady FBI agent to track down another serial killer terrorizing Los Angeles.
New
Relentless 3
1993 · 84 min
Sam Dietz, the relentless police detective, returns to Los Angeles from a self-imposed exile to help the police solve another series of brutal killings committed by another crafty serial killer whom targets Dietz's latest love interest.
New
Relentless IV: Ashes to Ashes
1994 · 95 min
Sam Dietz is back and must find and stop another serial killer before he kills again. Detective work for Dietz is tough having to juggle two gorgeous women - one his partner, and the other his shrink, who holds the key to the case.
New

Frequently asked questions

What order should I watch Relentless in?

1. Relentless (1989), 2. Dead On: Relentless II (1992), 3. Relentless 3 (1993), 4. Relentless IV: Ashes to Ashes (1994).

How long does it take to watch all of Relentless?

About 6h 4m across 4 released films.

Do any Relentless films have post-credit scenes?

None are listed on TMDB.