Best YouTube Channels for DSA and Coding Interview Prep (2026)

You have a list of 20 channels in your bookmarks. You've watched maybe 80 hours of video. You still blank on medium problems in interviews. This guide is about fixing that.

The right answer is one or two channels plus a lot of deliberate practice. Not all of them, on shuffle, while half-focused. Here are the six best YouTube channels for DSA and coding interview prep worth your time, what each is actually for, and how to use video as a learning tool rather than a comfort blanket.

A tweet asking how to learn coding in a single night, answered with "pack a laptop and travel to the north pole, you'll have 6 months of night to learn coding"

The Problem With Most YouTube DSA Watching

Watching someone solve a problem is not the same as solving a problem. Your brain processes the explanation, nods along, feels the click of understanding, and files it as "I know this." It doesn't. You've seen it. That's different.

You could watch Gordon Ramsay cook a perfect beef wellington every day for a month. You would still set the kitchen on fire. The knowledge that you observed him doing it doesn't transfer to your hands.

Recognition and recall are completely different cognitive processes. Watching a clean solution narrated step by step trains recognition. Sitting in front of a blank editor with a timer running requires recall, the actual skill interviews test. This is exactly why most LeetCode practice misses the mark.

That said, video has a specific thing it's genuinely good at: building intuition. Seeing how an expert's eyes move across a problem, how they set up a diagram before touching code, how they talk through the "wait, that won't work because" moment. That's hard to get from text. Use video for that. Use actual practice for everything else.

The Zootopia sloth slowly processing at a DMV counter

Your brain when it "understands" the solution but you won't implement it until tomorrow.

NeetCode: The Consensus Starting Point for Interview Prep

If you ask "which DSA channel should I start with?" on any subreddit, NeetCode is what you'll get. Every time, from everyone. It has become the de facto first answer so reliably that at this point it functions as an unwritten rule of the internet.

The NeetCode 150 is a curated list of 150 problems across 16 pattern categories, and it has become probably the most-linked resource in coding interview prep communities. For good reason.

What makes it work: NeetCode draws the solution before writing a single line of code. Every walkthrough starts with a visual explanation of what the algorithm is actually doing, why the pattern applies, and what the edge cases look like. The code comes second. For most engineers learning a new pattern, this sequencing is exactly right.

The channel covers all the core interview patterns: arrays, sliding window, two pointers, binary search, trees, graphs, dynamic programming. A typical video is 10 to 20 minutes, not 90.

Best for: Engineers with some coding background who want structured, interview-focused pattern coverage. Particularly useful if you're 4 to 12 weeks out from interviews.

Watch out for: NeetCode doesn't go deep on theory. If you hit a hard graph problem and don't understand why Dijkstra breaks with negative weights, you'll ceiling out. For the "why," you need a different channel.

Abdul Bari: The Theory You're Missing

Abdul Bari's channel is the closest thing YouTube has to a rigorous university algorithms course taught by someone who actually cares about pedagogy. The 84-video algorithms playlist covers the full classical curriculum: recursion, sorting, trees, graphs, dynamic programming, greedy algorithms, and complexity analysis.

The format is classroom style. Bari draws on a board, works through derivations by hand, and explains not just what an algorithm does but why it works. Why does merge sort have an O(n log n) floor? He shows you the recursion tree. Why does Dijkstra fail on negative weights? He traces through a specific counterexample.

This channel answers "I can follow solutions but I don't understand why the algorithm is correct." That gap bites people in interviews when the problem is a twist on a pattern they've memorized. If you understand the underlying reasoning, you can adapt. Memorize the template and you're stuck.

Best for: CS students, career switchers, and anyone shaky on fundamentals. Also good as a second pass after you've seen NeetCode's problem-focused content and want the theoretical grounding to go with it.

Watch out for: The videos are long and lecture-dense. If you're one week from an interview, this isn't your priority. This is first-half-of-prep material, not a last sprint.

takeUforward (Striver): The Most Thorough Systematic Coverage

Striver (Raj Vikramaditya), who has worked at Google and Amazon, runs takeUforward, built around the A2Z DSA sheet: 455 problems organized into a specific learning sequence from beginner to advanced. The course is free on YouTube.

455 problems. That number is both the feature and the warning label.

The videos are long and detailed, often 30 to 60 minutes per topic, but they cover the full thought process. Striver doesn't just show the optimal solution. He shows why the brute force fails, why the intermediate approach is still too slow, and how each optimization leads to the next. If NeetCode gives you the clean answer, takeUforward shows you the messy journey to it, which is closer to what actually happens in interviews.

Best for: Engineers with 3 to 6 months who want end-to-end coverage, particularly useful if you want to understand the intermediate reasoning steps between brute force and optimal.

Watch out for: Treat the A2Z sheet as a menu, not a syllabus. Pick the sections most relevant to your gap areas rather than committing to the whole thing like it's a side quest.

William Fiset: Graph Theory Done Properly

Most DSA content treats graphs as a pattern category. William Fiset treats graphs as a field. His 35-video graph theory playlist goes well beyond BFS and DFS: Bellman-Ford, Floyd-Warshall, bridge detection, articulation points, Tarjan's algorithm for strongly connected components, and the traveling salesman problem solved via dynamic programming.

Fiset is a software engineer at Google, and the content reflects that. Everything is accompanied by working Java source code and precise explanations. If you've ever looked at a graph problem and felt like you were guessing rather than reasoning, this playlist will change that.

This is the best free resource for graph theory on the internet. Nothing else comes close at this depth.

Best for: Engineers prepping for companies known for hard graph problems (Google, Jane Street, Citadel), or anyone who has pattern-matched "graph = BFS or DFS" and wants to understand the full space.

Watch out for: The content is Java-first. You'll need to translate implementations yourself, but the concepts transfer perfectly. Fiset posts infrequently, so this is a reference playlist, not a subscription.

Back to Back SWE: Deep Dives With the Trade-offs Explained

Back to Back SWE is older and posts less frequently than the other channels here, but the existing library of 140+ videos is excellent for understanding the reasoning behind algorithms, not just their implementation.

The format is whiteboard-heavy. Problems get drawn out, traced through multiple approaches, with the trade-offs between them getting explicit discussion. This is the channel that helps with the "why not just do X" question interviewers love to ask.

Best for: Engineers who find NeetCode too fast or who want to see alternative approaches discussed explicitly alongside the optimal one. Useful supplementary watching, not a primary channel.

Errichto: Competitive Programming and Advanced Topics

Errichto (Kamil Dębowski) is an ICPC finalist, multi-time Google Code Jam finalist, and Codeforces grandmaster. If you have encountered a Codeforces grandmaster in the wild, you know they are essentially a different species of programmer. His channel reflects that.

His content covers algorithm problems beyond typical interview difficulty: number theory, combinatorics, advanced graph problems. He also live-streams Codeforces contests showing real-time problem-solving under pressure. There's a real difference between competitive programming and interview prep that's worth understanding before you decide how much CP content to absorb.

Best for: Engineers targeting hard-mode technical interviews (quant firms, Google L6+), or those using CP practice as supplementary training after covering the interview fundamentals.

You've Watched It. Now Actually Learn It.

The gap between "watched it" and "can do it" is one of the most common failure modes in DSA prep. Here's the part people skip.

A Reddit post: "I solved 680 LeetCode problems. Today I realised the account is linked to my gooning gmail account. 110 day streak gone."

What happens when your prep strategy involves volume instead of intentional practice.

Pause before the solution. When a video states the problem, stop immediately. Spend 5 to 10 minutes attempting it on paper or in an editor before watching the approach. You will get it wrong half the time. That's the point: the wrong attempt makes the correct approach stick. Recognition is not recall, and treating them as the same thing is the single most common prep mistake.

Close the video and implement. Once you understand the approach, close the tab and implement it from memory. Don't refer back until you're stuck. The friction is the learning.

Come back the next day. Watch the video once, implement it that day, attempt it again two days later without looking. If you can't, that's valuable signal about what you actually don't know. Spaced repetition applied to LeetCode turns passive familiarity into durable recall.

One channel, one category at a time. Don't mix NeetCode trees with takeUforward graphs with Abdul Bari DP in the same session. Blocked practice on a single topic, then test yourself with interleaved problems.

Best DSA YouTube Channels at a Glance

Channel	Best For	Depth	Format	Language
NeetCode	Interview pattern prep	Medium	Short walkthroughs	Python
Abdul Bari	Algorithm fundamentals/theory	Deep	Lecture-style	Language-agnostic
takeUforward	Systematic A-to-Z coverage	Deep	Long problem walkthroughs	Language-agnostic
William Fiset	Graph theory	Very deep	Structured playlist	Java
Back to Back SWE	Trade-off reasoning	Medium	Whiteboard	Language-agnostic
Errichto	Competitive programming	Advanced	Live streams + problems	C++

The Channel Combination That Actually Works

Most engineers are best served by two channels: NeetCode for interview-pattern coverage and Abdul Bari for the theoretical foundation underneath. If your graph coverage is weak, add William Fiset's graph playlist as a third pass.

If you're doing competitive programming alongside interview prep, Errichto is the right addition. If you're prepping with 3+ months available and want comprehensive coverage, takeUforward is the most thorough single source.

YouTube covers the input side of learning. The output side, writing code under time pressure while narrating your reasoning out loud, requires a fundamentally different kind of practice. That spoken, real-time dimension is what actually gets tested in interviews and what channels can't train on their own. Practice with SpaceComplexity for voice-based DSA mock interviews that score you on exactly what interviewers score: your reasoning, communication, and code quality together.