Day talks about the meta game of ZvP and the weakness in Zerg transitions. He analyzes Stephano's gameplay, which provides an excellent example of how to get to the ideal late-game Zerg composition.
Part 1 – Early Infester and delayed spire
Part 2 – Transitions to stay alive in the late game and against all ins
Part 3 – Stephano having to adjust to aggressive play
Q&A with Day
-What other methods can I use to put on early pressure to a Protoss player when I am aiming at an Infestor broodlord mix?
-Couldn’t Toss just get more expansions and power up?