Season 57 aired between 24 Sep 2017 and 29 Oct 2017, 6 episodes.
Episodes
E01
The Wild Canadian Year (1) - Spring
24 Sep 2017
E02
The Wild Canadian Year (2) - Summer
01 Oct 2017
E03
The Wild Canadian Year (3) - Fall
08 Oct 2017
E04
The Wild Canadian Year (4) - Winter
15 Oct 2017
E05
The Wild Canadian Year (5) - Making the Wild Canadian Year
22 Oct 2017
E06
Lost Secrets of the Pyramid
29 Oct 2017