01 / 15PBS NewsHour≈ approximate level A25:17–5:21 .
02 / 15TED-Ed≈ approximate level B21:36–1:45
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03 / 15PBS NewsHour≈ approximate level C15:01–5:10
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04 / 15NBC News≈ approximate level B12:10–2:16
.
05 / 15CrashCourse≈ approximate level C16:57–7:06
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06 / 15Sprouts≈ approximate level C15:20–5:31
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07 / 15CrashCourse≈ approximate level C16:09–6:20
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08 / 15TED-Ed≈ approximate level A21:26–1:31
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09 / 15PBS NewsHour≈ approximate level B22:28–2:42
's .
10 / 15Sprouts≈ approximate level B12:06–2:12
.
11 / 15The School of Life≈ approximate level C10:43–0:51
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12 / 15NBC News≈ approximate level C10:39–0:49
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13 / 15PBS NewsHour≈ approximate level C17:28–7:46
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14 / 15The School of Life≈ approximate level C12:43–2:53
.
15 / 15WIRED≈ approximate level C11:14–1:29
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