7 to 12 hours

A weekend

The classic marathon length: a Saturday and a Sunday, or a week of evenings if you would rather not lose a weekend to it.

21 franchises · shortest first

1. Sonic3 films · 1 series not counted · 1 still to come7h 49m – 8h 49m3 evenings
2. Avatar3 films9h 11m4 evenings
3. Mad Max5 films9h 19m4 evenings7h 32messentials only
4. Shrek6 films · 1 still to come9h 21m4 evenings4h 45messentials only
5. Final Destination6 films9h 25m4 evenings6h 30messentials only
6. Ghostbusters5 films9h 29m4 evenings3h 49messentials only
7. Toy Story6 films9h 43m4 evenings4h 36messentials only
8. Blade Runner5 films · 1 series not counted · 1 still to come~9h 54m4 evenings4h 41messentials only
9. Bourne5 films10h4 evenings5h 42messentials only
10. Ocean's5 films · 1 still to come10h4 evenings3h 58messentials only
11. Twilight5 films10h 8m4 evenings
12. Die Hard5 films10h 13m4 evenings4h 23messentials only
13. Paranormal Activity7 films10h 19m4 evenings4h 21messentials only
14. Insidious6 films10h 22m4 evenings3h 29messentials only
15. Indiana Jones5 films · 1 series not counted10h 36m4 evenings4h 2messentials only
16. Evangelion6 films · 1 series not counted10h 44m4 evenings9h 4messentials only
17. Despicable Me7 films10h 45m4 evenings3h 13messentials only
18. The Matrix5 films10h 53m4 evenings6h 43messentials only
19. Karate Kid6 films · 1 series not counted11h 32m4 evenings3h 59messentials only
20. The Godfather4 films11h 37m4 evenings6h 17messentials only
21. Hunger Games5 films · 1 still to come11h 45m4 evenings9h 8messentials only