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.

Season 1 (9 episodes) poster

2005 · 6h 27min

Season 2 (27 episodes) poster

2005 · 19h 21min

Season 3 (25 episodes) poster

2006 · 17h 55min

Season 4 (17 episodes) poster

2007 · 12h 11min

Season 5 (24 episodes) poster

2008 · 17h 12min

Season 6 (24 episodes) poster

2009 · 17h 12min

Season 7 (22 episodes) poster

2010 · 15h 46min

Season 8 (24 episodes) poster

2011 · 17h 12min

Season 9 (24 episodes) poster

2012 · 17h 12min

Season 10 (24 episodes) poster

2013 · 17h 12min

Season 11 (25 episodes) poster

2014 · 17h 55min

Season 12 (24 episodes) poster

2015 · 17h 12min

Season 13 (24 episodes) poster

2016 · 17h 12min

Season 14 (24 episodes) poster

2017 · 17h 12min

Season 15 (25 episodes) poster

2018 · 17h 55min

Season 16 (21 episodes) poster

2019 · 15h 3min

Season 17 (17 episodes) poster

2020 · 12h 11min

Season 18 (20 episodes) poster

2021 · 14h 20min

Season 19 (20 episodes) poster

2022 · 14h 20min

Season 20 (10 episodes) poster

2023 · 7h 10min

Season 21 (10 episodes) poster

2024 · 7h 10min

Frequently asked questions

All 21 seasons total about 315 hours (18,920 minutes).