playlistduration

CS50 Lectures 2021 (SDR)

by CS50 · 12 videos

Total watch time

1d 57m

at 1× speed · exactly 1 day, 57 minutes, 10 seconds at 1×

1×1d 57m 10s
1.25×19h 57m 44s
1.5×16h 38m 7s
1.75×14h 15m 31s
2×12h 28m 35s
Average video2h 4m 46s
Longest2h 28m 51s
Shortest48m 47s
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Plan to finish

About 25 days at an hour a day

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Days

At one hour a day, every day, this playlist takes about 25 days. Turn on JavaScript to plan around your week.

Videos (12)

1d 57m in total · tick what you've watched

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Videos to
Watched
1 CS50 2021 - Lecture 0 - Scratch (SDR) 1:45:17 2022-01-01
2 CS50 2021 - Lecture 1 - C (SDR) 2:28:51 2022-01-01
3 CS50 2021 - Lecture 2 - Arrays (SDR) 2:07:56 2021-12-17
4 CS50 2021 - Lecture 3 - Algorithms (SDR) 2:17:13 2021-12-16
5 CS50 2021 - Lecture 4 - Memory (SDR) 2:25:57 2021-12-20
6 CS50 2021 - Lecture 5 - Data Structures (SDR) 2:12:55 2021-12-10
7 CS50 2021 - Lecture 6 - Python (SDR) 2:24:25 2021-12-20
8 CS50 2021 - Lecture 7 - SQL (SDR) 2:22:06 2021-12-20
9 CS50 2021 - Cybersecurity (SDR) 48:47 2021-12-20
10 CS50 2021 - Lecture 8 - HTML, CSS, JavaScript (SDR) 2:23:19 2021-12-14
11 CS50 2021 - Lecture 9 - Flask (SDR) 2:15:59 2021-12-19
12 CS50 2021 - Lecture 10 - Emoji (SDR) 1:24:25 2021-12-20

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Watch time: 1d 57m · 12 videos

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Data from the YouTube Data API as of 2026-09-22 (cached). Private or deleted videos are excluded from totals.