Which championship games are a must-watch? I'd want to see some but only the good/worth ones

You never know what is going to be a good one.
Two of the better ones so far.

EDG and INF day 4. A nice comeback. C9 vs Detonation Focus me on Day 1.

I'd say most of the games I've watched have been interesting so far. A lot closer than you might expect, since it's Play Ins.

The game that EDG lost to INF, think its their 2nd game. EDG had 7k lead in gold but kept getting aced