Episodes
465
22 seasons
465 episodes · 22 seasons · 348.8 hours to binge
465
22 seasons
348.8 h
14d 12h
14 days
non-stop
8.2/10
10,767 votes
Grey's Anatomy runs to 465 episodes across 22 seasons, at roughly 45 minutes each. Watching every episode back to back is 348.8 hours of pure run time — that's 14 days and 12 hours without a single break.
More realistically, at two episodes a night you'll finish in about 233 days. That's 43.6 full 8-hour work days of screen time. Use the planner below to pick your own pace and get an exact finish date.
348.8 h
Pure run time
233 days
At 2 episodes/day
45 min
Per episode
Day 233: 100% done (465 of 465 episodes)
21.1
on average
15.9 h
on average
20,925
14 days non-stop
At 348.8 hours, Grey's Anatomy is longer than 99% of every series tracked here — making it true marathon material. Within the Drama genre the average is 48.5 hours, so Grey's Anatomy sits above that.
Grey's Anatomy is very well rated at 8.2/10 from 10,767 votes. With 348.8 hours of total run time it's a genuine long-haul marathon — plan accordingly before you press play.
All 465 episodes of Grey's Anatomy add up to 348.8 hours of pure run time — that's 14 days and 12 hours non-stop.
Grey's Anatomy has 465 episodes across 22 seasons, averaging about 45 minutes per episode.
At 1 episode a day it takes 465 days, at 2 episodes a day 233 days, and at a marathon pace of 8 a day just 59 days.
Grey's Anatomy is rated 8.2/10 from 10,767 votes. Budget 348.8 hours if you want to watch the whole thing.
Episodes, seasons and rating come from TMDB (as of 2/12/2026). Grey's Anatomy had no official per-episode runtime on file, so the 45 minutes shown are a genre-based estimate.
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