Comprehensible input · English

Comprehensible input in English

5,230 videos from 45 channels, each scored from its own subtitle track — vocabulary load and speaking pace. Filter to your level, then watch it on YouTube.

5,230

videos scored

channels

3,271 h

of material

988

made for learners

Find something to watch

The number on each thumbnail is its difficulty score out of 100: mostly speaking pace, partly vocabulary load. How it is measured →

LevelAny Beginner Intermediate Advanced

LengthAny Under 10 min 10–30 min Over 30 min

PaceAny Slow Medium Fast Very fast

ContentAny Made for learners Real-world content Science & ideas (1,820)Entertainment (1,125)Podcasts (850)Talk shows (447)

SortEasiest first Hardest first Newest

92/10032:01AUTOEssentials: The Science of Eating for Health, Fat Loss & Lean Muscle | Dr. Layne NortonC1-C2 · ~11,000 words · very fastAndrew Huberman

92/10010:04How To Get The Worst Sunburn Of Your LifeC1-C2 · ~13,000 words · very fastSciShow

92/10010:32How the Fall of the Roman Empire Made Animals SmallerB2-C2 · ~10,000 words · very fastSciShow

92/10023:02AUTO47 Food Hacks To Make Your Food HealthierC1-C2 · ~10,000 words · very fastJoshua Weissman

92/10021:33How wiggling charges give rise to lightB2-C2 · ~9,000 words · very fast3Blue1Brown

92/10011:48I Tried Samsung's Secret Android XR Headset!B2-C2 · ~9,000 words · very fastMarques Brownlee

92/10013:37AUTOThe 300 Hour Beef WellingtonB2-C2 · ~10,000 words · very fastJoshua Weissman

92/10014:02AUTOThe 5 Meals Anyone Can MakeB2-C2 · ~10,000 words · very fastJoshua Weissman

92/10013:12A quick trick for computing eigenvalues | Chapter 15, Essence of linear algebraB2-C2 · ~10,000 words · very fast3Blue1Brown

92/10026:09Attention in transformers, step-by-step | Deep Learning Chapter 6B2-C2 · ~10,000 words · very fast3Blue1Brown

92/10012:33AUTOThe 100 Layer LasagnaB2-C2 · ~10,000 words · very fastJoshua Weissman

92/10037:20But how do AI images and videos actually work? | Guest video by Welch LabsC1-C2 · ~10,000 words · very fast3Blue1Brown

92/10021:57Group theory, abstraction, and the 196,883-dimensional monsterB2-C2 · ~11,000 words · very fast3Blue1Brown

92/1006:21Could We Hibernate All the Way to Mars?B2-C2 · ~10,000 words · very fastSciShow

92/10014:18AUTOCan Mythical Chef Josh Create the ULTIMATE Spicy Burrito? | Heat EatersB2-C2 · ~8,000 words · very fastFirst We Feast

92/10017:24AUTOZIP System R-Sheathing ON THE ROOF!? Exterior roof insulation demystifiedC1-C2 · ~10,000 words · very fastMatt Risinger

93/10027:49The Physics of Euler's Formula | Laplace Transform PreludeC1-C2 · ~10,000 words · very fast3Blue1Brown

93/10018:28AUTOI Made The Best Chinese Takeout Meal EverC1-C2 · ~9,000 words · very fastJoshua Weissman

93/10011:05AUTORadioactive glassware of the early 20th centuryC1-C2 · ~9,000 words · very fastAdam Ragusea

93/10041:37Every Way To Cook An Egg (100 Methods)C1-C2 · ~9,000 words · very fastJoshua Weissman

93/10022:42How might LLMs store facts | Deep Learning Chapter 7C1-C2 · ~9,000 words · very fast3Blue1Brown

93/10013:24Answering viewer questions about refractionC1-C2 · ~9,000 words · very fast3Blue1Brown

93/10011:20AUTOI Made The Spiciest Foods In The WorldC1-C2 · ~10,000 words · very fastJoshua Weissman

93/10033:13AUTOI Tried The Best Croissant in The WorldC1-C2 · ~11,000 words · very fastJoshua Weissman

English channels, ranked

ChannelsAny Made for learners Real-world content

Ranked by median difficulty, easiest first. The bar is a range, not a label — a channel typically spans a wide stretch of the scale, so one level would be false for its own hardest videos.

#	Channel	Level range (0–100)	Median	Vocabulary range	Pace	Videos	Hours
1	TED-Ed	27–91	50	B2-C2	medium	192	19 h
2	National Geographic	27–89	57	B2-C2	medium	65	81 h
3	TED	22–87	58	B1-C2	fast	69	16 h
4	Essential Craftsman	33–87	63	B1-C2	fast	137	39 h
5	Real Engineering	47–86	64	C1-C2	fast	76	30 h
6	Technology Connections	56–90	67	B2-C2	fast	89	47 h
7	Kurzgesagt – In a Nutshell	13–88	68	B2-C2	fast	60	13 h
8	Veritasium	48–92	69	B2-C2	fast	118	56 h
9	Lex Fridman	27–89	70	B1-C1	fast	127	377 h
10	StarTalk	40–91	70	B2-C2	fast	109	98 h
11	Acquired	33–91	71	B2-C2	fast	86	221 h
12	Yes Theory	28–87	72	B1-B2	fast	90	48 h
13	ColdFusion	55–86	72	B2-C2	fast	118	38 h
14	Vox	43–90	72	B2-C2	fast	93	51 h
15	First We Feast	39–97	72	B1-C1	fast	122	41 h
16	Andrew Huberman	45–95	74	B2-C2	fast	145	238 h
17	Practical Engineering	59–89	75	B2-C2	fast	142	41 h
18	Johnny Harris	49–90	75	B2-C2	fast	117	62 h
19	Wendover Productions	52–91	76	B2-C2	fast	129	47 h
20	SciShow	55–96	76	B2-C2	fast	197	48 h
21	Jimmy Kimmel Live	36–87	76	B1-C1	fast	197	42 h
22	WIRED	26–91	77	B1-C2	fast	73	28 h
23	Vanity Fair	38–91	78	B1-C1	fast	96	28 h
24	The Diary Of A CEO	38–92	79	B1-C2	fast	152	316 h
25	All-In Podcast	45–90	81	B2-C2	fast	132	143 h
26	PowerfulJRE	40–90	81	B1-C1	very fast	99	269 h
27	Matt Risinger	55–92	83	B2-C2	very fast	140	54 h
28	Doug DeMuro	65–90	83	B1-C2	very fast	141	100 h
29	The Tonight Show Starring Jimmy Fallon	40–89	84	B1-C1	very fast	32	6 h
30	Drew Binsky	40–97	85	B1-C1	very fast	132	72 h
31	SmarterEveryDay	59–91	86	B1-C2	very fast	54	32 h
32	Adam Ragusea	24–96	87	B2-C2	very fast	186	54 h
33	Marques Brownlee	53–92	87	B2-C2	very fast	127	28 h
34	MrBeast	75–94	87	B1-B2	very fast	92	34 h
35	This Old House	58–94	88	B1-C2	very fast	90	46 h
36	Mark Rober	72–95	89	B2-C2	very fast	43	15 h
37	Joshua Weissman	64–96	90	B2-C2	very fast	117	45 h
38	3Blue1Brown	80–94	91	B2-C2	very fast	58	24 h

The vocabulary range is each channel’s own spread, not a single verdict: in three of every four of its videos the vocabulary starts at the lower level or above and stays at the upper one or below. Its top end tracks how far the rare words reach, so a channel devoted to one subject sits high on it without being hard to follow — the median score is the column that answers that.

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