Comprehensible input · English
Comprehensible input in English
1,777 videos from 17 channels, each scored from its own subtitle track — vocabulary load and speaking pace. Filter to your level, then watch it on YouTube.
1,777
videos scored
17
channels
1,435 h
of material
591
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 →
ContentAnyMade for learnersReal-world contentScience & ideas (501)Podcasts (378)Entertainment (182)Talk shows (126)
65/10018:08The Bizarre Bases of Antenna TowersB2-C1 · ~8,000 words · fastPractical Engineering
65/10044:24Inside North Korea: The Kim Dynasty (Full Episode) | SPECIAL | National GeographicB2-C1 · ~6,000 words · fastNational Geographic
65/10015:11The Questionable Engineering of OceangateC1-C2 · ~12,000 words · fastReal Engineering
65/10037:02Something Strange Happens When You Follow Einstein's MathB2-C2 · ~9,000 words · fastVeritasium
65/10016:32The Absurd Search For Dark MatterB2-C2 · ~9,000 words · fastVeritasium
65/10023:20AUTOThe Age of Laser Warfare Has BegunC1-C2 · ~12,000 words · fastReal Engineering
65/10046:58Exposing Why Farmers Can't Legally Replant Their Own SeedsB2-C2 · ~11,000 words · fastVeritasium
65/10022:23Fixing the Most Dangerous Dam in the WorldC1-C2 · ~12,000 words · fastPractical Engineering
65/10026:19Why Super Glue Is Perfect For Gluing SkinC1-C2 · ~13,000 words · fastVeritasium
65/10019:03How To Earthquake-Proof A HouseB2-C2 · ~8,000 words · fastVeritasium
65/10029:15The Insane Engineering of the F-14 TomcatC1-C2 · ~12,000 words · fastReal Engineering
65/10012:18Do You Have a Free Will?B2-C2 · ~7,000 words · fastKurzgesagt – In a Nutshell
65/10014:16How Video Games Can Power Up Your Parenting | Hannah Boquet | TEDB1-B2 · ~3,000 words · fastTED
65/10031:32The Oldest Unsolved Problem in MathB2-C2 · ~6,000 words · fastVeritasium
65/10010:555 Practical Ways to Take Control of Your Life | Jim VandeHei | TEDB1-B2 · ~3,000 words · fastTED
65/1007:11How to communicate clearlyB1-B2 · ~3,000 words · fastTED-Ed
65/10023:50Why is this number everywhere?B2-C2 · ~5,000 words · fastVeritasium
65/1008:40A Practical Guide to Taking Control of Your Life | Cate Hall | TEDB1-B2 · ~5,000 words · fastTED
65/10017:45The Riddle That Seems Impossible Even If You Know The AnswerB1-B2 · ~5,000 words · fastVeritasium
65/10036:05AUTOHow We Built The ISSC1-C2 · ~12,000 words · fastReal Engineering
65/10015:31The Most Implausible Tunneling MethodB2-C2 · ~10,000 words · fastPractical Engineering
65/10015:01The Rainiest Place On EarthB2-C2 · ~14,000 words · fastVeritasium
65/10027:18This game theory problem will change the way you see the worldB2-C1 · ~7,000 words · fastVeritasium
65/10011:24What Sitting All Day Does to Your Brain and Body | Keith Diaz | TEDB1-C1 · ~5,000 words · fastTEDWhich English channel to start with
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 | Typical band | Pace | Videos | Hours |
|---|---|---|---|---|---|---|---|
| 1 | Easy English | 6–48 | 31 | B1-B2 | medium | 138 | 37 h |
| 2 | BBC Learning English | 0–75 | 54 | B2-C2 | medium | 191 | 30 h |
| 3 | Speak English With Vanessa | 28–85 | 56 | B1-B2 | fast | 174 | 85 h |
| 4 | Learn English with Bob the Canadian | 43–86 | 66 | B1-B2 | fast | 88 | 34 h |
3 of these 4 channels carry the same vocabulary band (B1-B2), and their scores still run from 0 to 86. That gap is pace: what separates the easiest of these channels from the hardest is how fast people talk, not which words they use. How that is measured →
Watching is the other halfYouTube gives you one subtitle line, in one language. Linglass puts English and your own language on screen together, and turns any word you tap into a flashcard.Add to Chrome — free