The Three Investigators in order

A series of films adapted the stories of the Robert Arthur, Jr. book series. 2 films, 3h 8m in all, in release order.

The Three Investigators in The Secret of Skeleton Island
2007 · 91 min
The hobby detectives “The Three Investigators” want to take a little break. So they take advantage of an offer from Peter's father, who has accepted a job in South Africa and wants to take the detectives there. But Jupiter, Peter and Bob wouldn't be the three investigators marks feared by the criminal world if they just lounged around in the sun on their vacation. So it's no wonder that the clever boys soon have their next case to solve...
Popcorn Flick
The Three Investigators in The Secret of Terror Castle
2009 · 97 min
A new case for the cult detectives! Not by coincidence, a mysterious videotape falls into the hands of Jupiter Jones, Pete Crenshaw and Bob Andrews during Jupiter's birthday party in Rocky Beach. On it is a recording of Jupiter's long dead parents. In their message they want to communicate to their son the key to an especially tricky riddle.
Popcorn Flick

Frequently asked questions

What order should I watch The Three Investigators in?

1. The Three Investigators in The Secret of Skeleton Island (2007), 2. The Three Investigators in The Secret of Terror Castle (2009).

How long does it take to watch all of The Three Investigators?

About 3h 8m across 2 released films.

Do any The Three Investigators films have post-credit scenes?

None are listed on TMDB.