Strong Bad is sick of Homestar Runner in his life. When he snaps and the indirect result is Homestar's serious injury, Strong Bad feels responsible and takes it upon himself to be his caretaker. Along the slow path to rehabilitation, he realizes that there's many more layers to unearth underneath not only Homestar, but layers of compassion he didn't know he had in himself.
Zim has forgotten a very important day. Dib should have expected he wouldn't be a guy to remember dates, be it a date at a coffee shop, or something bigger, like, say, an anniversary. Zim will have to use some of his...charm...to make it up to his lover, who is thoroughly disappointed and pouty.