01 / 13CrashCourse≈ mức xấp xỉA21:28–1:31 , .
02 / 13CrashCourse≈ mức xấp xỉB20:54–1:01
, ’s .
03 / 13Sprouts≈ mức xấp xỉB10:03–0:12
’s , .
04 / 13CrashCourse≈ mức xấp xỉB11:04–1:08
, , ’s .
05 / 13Sprouts≈ mức xấp xỉB11:54–2:01
’s , , .
06 / 13CrashCourse≈ mức xấp xỉB113:16–13:22
.
07 / 13CrashCourse≈ mức xấp xỉB212:30–12:38
, .
08 / 13CrashCourse≈ mức xấp xỉB111:57–12:07
, , .
09 / 13CrashCourse≈ mức xấp xỉB11:10–1:18
, , .
10 / 13Big Think≈ mức xấp xỉB14:28–4:36
, .
11 / 13CrashCourse≈ mức xấp xỉB110:07–10:12
, .
12 / 13CrashCourse≈ mức xấp xỉB10:48–0:55
, , , .
13 / 13Big Think≈ mức xấp xỉC112:59–13:06
, .