Categories 6 Monoidal categories
25:27
Categories 7 Yoneda's lemma
15:14
Categories 4 Adjoint functors
28:42
John Baez: "Symmetric Monoidal Categories A Rosetta Stone"
31:10
Categories 5 Limits and colimits
15:03
Categories 3 Natural transformations
26:20
A Sensible Introduction to Category Theory
24:56
Categories 1 Introduction
21:14