Sections
Lectures are supplemented by weekly sections led by the course’s teaching fellows. Attendance at sections is expected.
If you have a conflict with your assigned section, please email heads@cs50.harvard.edu ahead of your section time. Unless it is a sickness related conflict, you’d be expected to attend another section that week to make-up your attendance.
Schedule
You need only attend (and register via my.harvard.edu for) one of the below:
- Tuesdays, 9am-11:45am in Pierce 301 with Annie Sun and Jalil Morris.
- Tuesdays, 3:45pm-6:30pm in SEC LL2.223 with John Davis and Khang Nguyen.
- Wednesdays, 6pm-8:45pm in Maxwell Dworkin G125 with David Kong and Thomas Cardenas.
Section Recordings
Section slides and recordings will be posted on Wednesdays.
| Lecture | Date | |
|---|---|---|
| Section 0 | Scratch | week of 26 January 2026 |
| Section 1 | C | week of 2 February 2026 |
| Section 2 | Arrays | week of 9 February 2026 |
| Section 3 | Algorithms | week of 16 February 2026 |
| Section 4 | Memory | week of 23 February 2026 |
| Section 5 | Data Structures | week of 2 March 2026 |
| Section 6 | Python | week of 23 March 2026 |
| Section 7 | SQL | week of 30 March 2026 |
| Test Review | week of 6 April 2026 | |
| Section 8 | HTML, CSS, JavaScript | week of 13 April 2026 |
| Section 9 | Flask | week of 20 April 2026 |
| Section 10 | The End | week of 27 April 2026 |
- Week 0
- Week 1