Episodes
331
15 seasons
331 episodes · 15 seasons · 248.3 hours to binge
331
15 seasons
248.3 h
10d 8h
10 days
non-stop
7.8/10
895 votes
ER runs to 331 episodes across 15 seasons, at roughly 45 minutes each. Watching every episode back to back is 248.3 hours of pure run time — that's 10 days and 8 hours without a single break.
More realistically, at two episodes a night you'll finish in about 166 days. That's 31.0 full 8-hour work days of screen time. Use the planner below to pick your own pace and get an exact finish date.
248.3 h
Pure run time
166 days
At 2 episodes/day
45 min
Per episode
Day 166: 100% done (331 of 331 episodes)
22.1
on average
16.6 h
on average
14,895
10 days non-stop
At 248.3 hours, ER is longer than 98% of every series tracked here — making it true marathon material. Within the Drama genre the average is 48.5 hours, so ER sits above that.
ER is very well rated at 7.8/10 from 895 votes. With 248.3 hours of total run time it's a genuine long-haul marathon — plan accordingly before you press play.
All 331 episodes of ER add up to 248.3 hours of pure run time — that's 10 days and 8 hours non-stop.
ER has 331 episodes across 15 seasons, averaging about 45 minutes per episode.
At 1 episode a day it takes 331 days, at 2 episodes a day 166 days, and at a marathon pace of 8 a day just 42 days.
ER is rated 7.8/10 from 895 votes. Budget 248.3 hours if you want to watch the whole thing.
Episodes, seasons, runtime (45 min/episode) and rating come directly from TMDB (as of 2/12/2026).
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