↓ Transcript
Panel 1:

ZIMMER: Mrrwwww...

Panel 2:

ZIMMER: Mrow!
CAM: Zimmer, I'm home!

Panel 3:

CAM: Oh, you poor thing, your hat fell off.

Panel 4:

CAPTION: One knitting session later...
ZIMMER: Mrow.
CAM: Aw! You're welcome, Zimmie!