Slasher isn't my cup of tea, but even though the first 4 episodes have already aired on the US channel, Chiller, you can watch the first episode for free on the Super Channel website:

Super Channel will begin airing the series on April 1.

Or, if you don't care about picture quality, you can also watch the first 4 episodes (and remaining 4, eventually) on YouTube:

Slasher Episode 2: