2,225 minutes of non-stop content across all 89 episodes.
Not realistic for a 48-hour weekend. At 37.1 total hours, watching at a healthy 2 hours per day will take approximately 19 days.
Typical episode runtime excluding ad breaks and credit sequences.
Finish by approximately Oct 14, 2026 if starting today.
Viewing Pace & Completion Dates
Estimate when you will complete the series based on your daily viewing commitment starting today (September 25, 2026):
Casual (1 hr/day)
Estimated completion:
Nov 2, 2026
Standard (2 hrs/day)
Estimated completion:
Oct 14, 2026
Dedicated (4 hrs/day)
Estimated completion:
Oct 5, 2026
Weekend Marathon (8 hrs/day)
Estimated completion:
Sep 30, 2026
Watch Time at Higher Playback Speeds
If you listen to commentary or watch at accelerated speeds on streaming apps:
Season-by-Season Runtime Breakdown
Frequently Asked Questions About Binge-Watching Welcome to Demon School! Iruma-kun
Can I binge-watch Welcome to Demon School! Iruma-kun in a single weekend?
Not realistic for a 48-hour weekend. At 37.1 total hours, watching at a healthy 2 hours per day will take approximately 19 days. A 48-hour weekend provides about 16 to 24 waking hours; Welcome to Demon School! Iruma-kun contains 37h 5m of episodes.
How long does it take to watch all seasons of Welcome to Demon School! Iruma-kun at 2 hours a day?
At a steady rate of 2 hours per day, it will take approximately 19 days to finish the complete series. If you begin today, your projected finish date is Oct 14, 2026.
Which season of Welcome to Demon School! Iruma-kun is the longest?
Season 4 is the longest season with a total runtime of 10h 0m across 24 episodes.
How many total hours and episodes are in Welcome to Demon School! Iruma-kun?
The series consists of 89 episodes across 4 seasons, totaling 37h 5m (2,225 minutes) of screen time.