John Conway: Surreal Numbers - How playing games led to more numbers than anybody ever thought of

Inventing Game of Life (John Conway) - Numberphile

John Conway proves that 91 is the smallest number which looks prime but isn't

Life, Death and the Monster (John Conway) - Numberphile

Monster Group (John Conway) - Numberphile

John Conway finds money on the ground mid-lecture (epic)

John H. Conway on why Determinism should not be embraced