How long is a Grey's Anatomy marathon?
Twenty-one seasons totals roughly 315 hours — several months at 2 hours per day.
Twenty-one seasons totals roughly 315 hours — several months at 2 hours per day.
Total seasons
21
Total runtime
315 hours
Average runtime
15h 1min
At 2 hours/day
157.7 days
21 seasons totaling 315 hours — about 158 days at 2 hours per day.
| Watch List | ||||
|---|---|---|---|---|
 Season 1 (9 episodes) | Available on PRO plan | 2005 | 6h 27min | |
 Season 2 (27 episodes) | Available on PRO plan | 2005 | 19h 21min | |
 Season 3 (25 episodes) | Available on PRO plan | 2006 | 17h 55min | |
 Season 4 (17 episodes) | Available on PRO plan | 2007 | 12h 11min | |
 Season 5 (24 episodes) | Available on PRO plan | 2008 | 17h 12min | |
 Season 6 (24 episodes) | Available on PRO plan | 2009 | 17h 12min | |
 Season 7 (22 episodes) | Available on PRO plan | 2010 | 15h 46min | |
 Season 8 (24 episodes) | Available on PRO plan | 2011 | 17h 12min | |
 Season 9 (24 episodes) | Available on PRO plan | 2012 | 17h 12min | |
 Season 10 (24 episodes) | Available on PRO plan | 2013 | 17h 12min | |
 Season 11 (25 episodes) | Available on PRO plan | 2014 | 17h 55min | |
 Season 12 (24 episodes) | Available on PRO plan | 2015 | 17h 12min | |
 Season 13 (24 episodes) | Available on PRO plan | 2016 | 17h 12min | |
 Season 14 (24 episodes) | Available on PRO plan | 2017 | 17h 12min | |
 Season 15 (25 episodes) | Available on PRO plan | 2018 | 17h 55min | |
 Season 16 (21 episodes) | Available on PRO plan | 2019 | 15h 3min | |
 Season 17 (17 episodes) | Available on PRO plan | 2020 | 12h 11min | |
 Season 18 (20 episodes) | Available on PRO plan | 2021 | 14h 20min | |
 Season 19 (20 episodes) | Available on PRO plan | 2022 | 14h 20min | |
 Season 20 (10 episodes) | Available on PRO plan | 2023 | 7h 10min | |
 Season 21 (10 episodes) | Available on PRO plan | 2024 | 7h 10min |
Related guides
Frequently asked questions
All 21 seasons total about 315 hours (18,920 minutes).