CS50 Lectures 2017
Total watch time
19h 29m
at 1× speed · exactly 19 hours, 29 minutes, 26 seconds at 1×
| 1× | 19h 29m 26s |
|---|---|
| 1.25× | 15h 35m 33s |
| 1.5× | 12h 59m 37s |
| 1.75× | 11h 8m 15s |
| 2× | 9h 44m 43s |
Plan to finish
About 20 days at an hour a day
Pick a daily pace and the days you'll watch. Ticked videos are skipped.
At one hour a day, every day, this playlist takes about 20 days. Turn on JavaScript to plan around your week.
Videos (13)
19h 29m in total · tick what you've watched
Tick videos you've watched — progress is saved in this browser.
| Watched | ||||
|---|---|---|---|---|
| 1 |
 CS50 2017 - Lecture 0 - Scratch
|
1:01:11 | 2017-10-06 | |
| 2 |
 CS50 2017 - Lecture 1 - C
|
1:26:37 | 2018-02-22 | |
| 3 |
 CS50 2017 - Lecture 2 - C, continued
|
1:42:55 | 2018-11-19 | |
| 4 |
 CS50 2017 - Lecture 3 - Algorithms
|
1:36:56 | 2017-10-13 | |
| 5 |
 CS50 2017 - Lecture 4 - Memory
|
1:42:50 | 2017-10-14 | |
| 6 |
 CS50 2017 - Lecture 5 - Data Structures
|
1:45:40 | 2017-09-30 | |
| 7 |
 CS50 2017 - Lecture 6 - HTTP
|
1:40:51 | 2017-10-07 | |
| 8 |
 CS50 2017 - Lecture 7 - Dynamic Programming
|
1:12:52 | 2017-10-14 | |
| 9 |
 CS50 2017 - Lecture 8 - Python
|
1:28:13 | 2017-10-16 | |
| 10 |
 CS50 2017 - Lecture 9 - Python, continued
|
1:19:37 | 2017-10-27 | |
| 11 |
 CS50 2017 - Lecture 10 - SQL
|
1:45:22 | 2017-10-28 | |
| 12 |
 CS50 2017 - Lecture 11 - JavaScript
|
1:43:39 | 2017-11-04 | |
| 13 |
 CS50 2017 - Lecture 12 - The End
|
1:02:43 | 2017-11-18 |
No videos match that filter.
Embed a badge
Show the watch time in a README or course description — it links back here and updates itself
[](https://playlistduration.com/playlist/PLhQjrBD2T3828ZVcVzEIhsHVgjANGZveu)<a href="https://playlistduration.com/playlist/PLhQjrBD2T3828ZVcVzEIhsHVgjANGZveu"><img src="https://playlistduration.com/badge/playlist/PLhQjrBD2T3828ZVcVzEIhsHVgjANGZveu.svg" alt="Watch time: 19h 29m · 13 videos" width="210" height="20"></a>Add ?speed=1.5 to the image URL for the time at that speed, ?label=Course to change the left text, or ?style=flat-square for square corners.
Want the numbers themselves? GET https://playlistduration.com/api/v1/playlist/PLhQjrBD2T3828ZVcVzEIhsHVgjANGZveu returns them as JSON — free, no key. API docs →
Data from the YouTube Data API as of 2026-09-22 (cached). Private or deleted videos are excluded from totals.