Here's ICZ and LBZ which means the S3 half of the game is finished. Hooray!
Sonic 3 not yet Knuckles
As for my comments on those 2 zones. Both were pretty easy which is why I got them done so fast.
There's nothing for me to really say about ICZ. It's pretty much what you'd expect but it's still pretty amusing to watch.
In LBZ1 I found 10 frames worth of inprovements over the 2P tas. 9 of those were from having the crusher clip me to the left instead of the right which allowed me to instantly zip left. That last frame was saved by getting the crusher to load a frame sooner. The thing that delayed it was the very first jump in the level so I delayed that instead.
In LBZ2 I saved 1 frame with better camera manipulation.
EDIT: Okay now I'm done with the S3 half. I thought of a faster way to do the LBZ1 boss which resulted in a 52 frame time save.
Sonic 3 still not yet Knuckles
EDIT 2: You know what I'm not gonna say it. Saved 19 more frames on the LBZ1 boss by going for 3 double hits.
Sonic 3 never going to be Knuckles
EDIT 3: 6 more frames saved. Look, just take the gmv XD
Knuckles 3 and Sonic