01 / 30BBC Earth≈ approximate level B12:07–2:11 .. .
02 / 30TED-Ed≈ approximate level B14:37–4:44
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03 / 30CrashCourse≈ approximate level B15:03–5:10
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04 / 30TED-Ed≈ approximate level B22:39–2:45
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05 / 30TED-Ed≈ approximate level C10:24–0:30
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06 / 30BBC Ideas≈ approximate level C10:50–0:55
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07 / 30CrashCourse≈ approximate level B14:06–4:13
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08 / 30CrashCourse≈ approximate level B18:31–8:35
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09 / 30CNBC Make It≈ approximate level C12:35–2:38
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10 / 30BBC Ideas≈ approximate level B24:06–4:10
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11 / 30WIRED≈ approximate level B10:32–0:36
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12 / 30TED-Ed≈ approximate level C10:42–0:50
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13 / 30CNBC Make It≈ approximate level C15:54–5:59
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14 / 30CrashCourse≈ approximate level B24:34–4:40
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15 / 30CrashCourse≈ approximate level C11:44–1:48
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16 / 30TED≈ approximate level B15:48–5:58
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17 / 30BBC Ideas≈ approximate level B14:29–4:36
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18 / 30CrashCourse≈ approximate level A21:57–2:04
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19 / 30TED-Ed≈ approximate level B10:58–1:06
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20 / 30CrashCourse≈ approximate level B212:02–12:08
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21 / 30TED-Ed≈ approximate level C13:07–3:19
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22 / 30TED-Ed≈ approximate level C12:23–2:32
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23 / 30CrashCourse≈ approximate level B29:23–9:27
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24 / 30The School of Life≈ approximate level B25:15–5:20
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25 / 30TED-Ed≈ approximate level C13:21–3:29
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26 / 30CrashCourse≈ approximate level B13:19–3:24
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27 / 30The Daily Show≈ approximate level C16:59–7:09
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28 / 30CNBC Make It≈ approximate level B17:52–8:01
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29 / 30TED-Ed≈ approximate level B24:11–4:19
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30 / 30PBS NewsHour≈ approximate level B20:35–0:43
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