01 / 9Sprouts≈ approximate level B12:45–2:52 .
02 / 9Sprouts≈ approximate level A23:10–3:14
.
03 / 9Sprouts≈ approximate level B20:12–0:22
, , .
04 / 9Sprouts≈ approximate level B12:45–2:53
, .
05 / 9The School of Life≈ approximate level C12:52–3:02
, , .
06 / 9TED-Ed≈ approximate level A23:09–3:15
’s .
07 / 9TED≈ approximate level B12:12–2:16
, .
08 / 9Big Think≈ approximate level C10:38–0:48
.
09 / 9Big Think≈ approximate level B20:56–1:10
, .