Browse Lessons

Waddle We Find - CS50 Fair 2023 at Harvard

CampusGuessr - CS50 Fair 2023 at Harvard

This is CS50x 2024 - Coming January 1 to YouTube, edX, Apple TV, and Google TV

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

CS50 Seminars 2023 - How To Use Git and GitHub

CS50 Seminars 2023 - Flying the Nest: Setting Up Your Local Development Environment

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

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

Office Hours with David & Carter @ Sanders Theatre Rooftop

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

Large Language Models and The End of Programming - CS50 Tech Talk with Dr. Matt Welsh

CS50 Fall 2023 - Artificial Intelligence (live, unedited)

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

Office Hours @ Harvard Bio-Labs - 10/12/2023

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

Walkthrough for Ready Player 50

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

CS50 Cybersecurity - Lecture 4 - Preserving Privacy

CS50 Cybersecurity - Lecture 3 - Securing Software

CS50 Cybersecurity - Lecture 2 - Securing Systems

CS50 Cybersecurity - Lecture 1 - Securing Data

CS50 Cybersecurity - Lecture 0 - Securing Accounts

CS50 SQL - Lecture 6 - Scaling

CS50 SQL - Lecture 5 - Optimizing

CS50 SQL - Lecture 4 - Viewing

CS50 SQL - Lecture 3 - Writing

CS50 SQL - Lecture 2 - Designing

CS50 SQL - Lecture 1 - Relating

CS50 SQL - Lecture 0 - Querying

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

CS50 SQL - Introduction

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

CS50 Puzzle Day @ SEC - September 9, 2023

My Therapy - CS50 #Shorts

CS50 Fall 2023 - Lecture 1 - C (live, unedited)

CS50 Fall 2023 - Lecture 0 - Scratch (live, unedited)

Office Hours @ Harvard Law School - September 1, 2023

Office Hours @ Radcliffe Institute - August 17, 2023

Office Hours @ Harvard Stadium - August 4, 2023

Programming Experience - CS50 #Reels

CS50x USOMI Global Academy 2023

Hello, CS50P IT/SE CLUB at the American University of Iraq Sulaimani

Hello, CS50x Tehran

Building a Teaching Assistant Program

Year 2, Day 1: Building a Program without Burning Out

Teaching CS50x and CS50P in Higher Education

Providing Students with Standardized, Cloud-Based Programming Environments at Term's Start for Free

Year 1, Day 1: Success in Teaching Your First Class with CS50