CS50 - Invidious

CS50

This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. Demanding, but definitely doable. Social, but educational. A focused topic, but broadly applicable skills. CS50 is the quintessential Harvard course.

View channel on YouTube

Switch Invidious Instance

Livestreams

newest

oldest

popular

CS50 Fall 2025 - Lecture 10 - The End (live, unedited)

CS50

Premieres in 1 month

0 views

CS50 Fall 2025 - Lecture 9 - Flask (live, unedited)

CS50

Premieres in 3 weeks

0 views

CS50 Fall 2025 - Lecture 8 - HTML, CSS, JavaScript (live, unedited)

CS50

Premieres in 2 weeks

0 views

CS50 Fall 2025 - Artificial Intelligence (live, unedited)

CS50

Premieres in 1 week

0 views

CS50 Fall 2025 - Lecture 7 - SQL (live, unedited)

CS50

Premieres in 4 days

0 views

3:08:26

CS50 Fall 2025 - Lecture 6 - Python (live, unedited)

CS50

Shared 6 days ago

23K views

2:35:10

CS50 Fall 2025 - Lecture 5 - Data Structures (live, unedited)

CS50

Shared 1 week ago

22K views

2:56:26

CS50 Fall 2025 - Lecture 4 - Memory (live, unedited)

CS50

Shared 2 weeks ago

26K views

2:32:55

CS50 Fall 2025 - Lecture 3 - Algorithms (live, unedited)

CS50

Shared 3 weeks ago

35K views

3:02:11

CS50 Fall 2025 - Lecture 2 - Arrays (live, unedited)

CS50

Shared 4 weeks ago

32K views

3:04:41

CS50 Fall 2025 - Lecture 1 - C (live, unedited)

CS50

Shared 1 month ago

55K views

2:19:31

CS50 Fall 2025 - Lecture 0 - Scratch (live, unedited)

CS50

Shared 1 month ago

52K views

2:33:57

CS50 2D - Lecture 7 - Pokemon (live, unedited)

CS50

Shared 3 months ago

12K views

1:45:02

CS50 2D - Lecture 6 - Angry Birds (live, unedited)

CS50

Shared 3 months ago

6.5K views

1:44:25

CS50 Business - Lecture 8 - Securing Systems (live, unedited)

CS50

Shared 3 months ago

8.5K views

2:34:29

CS50 Business - Lecture 7 - Deploying Databases (live, unedited)

CS50

Shared 3 months ago

11K views

3:32:55

CS50 Business - Lecture 6 - Weaving the Web (live, unedited)

CS50

Shared 3 months ago

7.7K views

3:24:25

CS50 2D - Lecture 5 - Legend of Zelda (live, unedited)

CS50

Shared 3 months ago

11K views

3:31:41

CS50 Business - Lecture 3 - Practicing Programming (live, unedited)

CS50

Shared 3 months ago

16K views

2:08:26

CS50 2D - Lecture 4 - Super Mario Bros. (live, unedited)

CS50

Shared 3 months ago

7.5K views

2:29:20

CS50 2D - Lecture 3 - Match 3 (live, unedited)

CS50

Shared 3 months ago

6.6K views

1:53:15

CS50 Business - Lecture 2 - Designing Data Structures (live, unedited)

CS50

Shared 3 months ago

16K views

1:38:40

CS50 Business - Lecture 5 - Implementing the Internet (live, unedited)

CS50

Shared 3 months ago

7.5K views

1:49:20

CS50 Business - Lecture 1 - Analyzing Algorithms (live, unedited)

CS50

Shared 3 months ago

16K views

3:15:40

CS50 2D - Lecture 2 - Breakout (live, unedited)

CS50

Shared 4 months ago

9.6K views

1:44:20

CS50 Business - Lecture 0 - Interpreting Information (live, unedited)

CS50

Shared 4 months ago

15K views

2:55:50

CS50 2D - Lecture 1 - Flappy Bird (live, unedited)

CS50

Shared 4 months ago

14K views

4:05:05

CS50 2D - Lecture 0 - Pong (live, unedited)

CS50

Shared 4 months ago

29K views

1:07:46

CS50 Business - Lecture 4 - Approaching Artificial Intelligence (live, unedited)

CS50

Shared 4 months ago

17K views

1:21:30

CS50's Fundamentals of AI - Lecture 6 - Moving (live, unedited)

CS50

Shared 4 months ago

10K views

1:34:55

CS50's Fundamentals of AI - Lecture 5 - Generating (live, unedited)

CS50

Shared 4 months ago

10K views

1:19:50

CS50's Fundamentals of AI - Lecture 4 - Communicating (live, unedited)

CS50

Shared 4 months ago

14K views

1:57:58

CS50's Fundamentals of AI - Lecture 3 - Sensing (live, unedited)

CS50

Shared 4 months ago

14K views

1:26:05

CS50's Fundamentals of AI - Lecture 2 - Analyzing (live, unedited)

CS50

Shared 4 months ago

16K views

1:42:45

CS50's Fundamentals of AI - Lecture 1 - Predicting (live, unedited)

CS50

Shared 4 months ago

28K views

1:22:50

CS50's Fundamentals of AI - Lecture 0 - Playing (live, unedited)

CS50

Shared 4 months ago

55K views

57:28

CS50x 2025 - The End

CS50

Shared 10 months ago

64K views

3:03:45

CS50x 2025 - Lecture 9 - Flask

CS50

Shared 11 months ago

116K views

3:14:03

CS50x 2025 - Lecture 8 - HTML, CSS, JavaScript

CS50

Shared 11 months ago

205K views

2:37:48

CS50x 2025 - Lecture 7 - SQL

CS50

Shared 11 months ago

154K views

56:01

CS50x 2025 - Artificial Intelligence

CS50

Shared 11 months ago

238K views

2:11:01

CS50x 2025 - Lecture 6 - Python

CS50

Shared 11 months ago

189K views

2:03:38

CS50x 2025 - Lecture 5 - Data Structures

CS50

Shared 1 year ago

192K views

2:26:31

CS50x 2025 - Lecture 4 - Memory

CS50

Shared 1 year ago

221K views

2:06:35

CS50x 2025 - Lecture 3 - Algorithms

CS50

Shared 1 year ago

265K views

2:10:18

CS50x 2025 - Lecture 2 - Arrays

CS50

Shared 1 year ago

350K views

2:34:31

CS50x 2025 - Lecture 1 - C

CS50

Shared 1 year ago

751K views

1:58:56

CS50x 2025 - Lecture 0 - Scratch

CS50

Shared 1 year ago

1M views

2:16:20

CS50x Workshop on AI

CS50

Shared 1 year ago

48K views

1:44:46

CS50 Fall 2023 - Lecture 10 - Cybersecurity (live, unedited)

CS50

Shared 1 year ago

43K views

2:48:50

CS50 Fall 2023 - Lecture 9 - Flask (live, unedited)

CS50

Shared 1 year ago

38K views

2:56:25

CS50 Fall 2023 - Lecture 8 - HTML, CSS, JavaScript (live, unedited)

CS50

Shared 1 year ago

52K views

2:41:26

CS50 Fall 2023 - Lecture 7 - SQL (live, unedited)

CS50

Shared 1 year ago

47K views

1:09:11

CS50 Fall 2023 - Artificial Intelligence (live, unedited)

CS50

Shared 1 year ago

138K views

2:50:25

CS50 Fall 2023 - Lecture 6 - Python (live, unedited)

CS50

Shared 1 year ago

70K views

2:33:56

CS50 Fall 2023 - Lecture 5 - Data Structures (live, unedited)

CS50

Shared 2 years ago

53K views

38:05

Walkthrough for Ready Player 50

CS50

Shared 2 years ago

20K views

2:48:15

CS50 Fall 2023 - Lecture 4 - Memory (live, unedited)

CS50

Shared 2 years ago

61K views

2:35:15

CS50 Fall 2023 - Lecture 3 - Algorithms (live, unedited)

CS50

Shared 2 years ago

78K views

2:40:26

CS50 Fall 2023 - Lecture 2 - Arrays (live, unedited)

CS50

Shared 2 years ago

74K views