It's not dinner time yet, but Walt is hungry regardless. He makes it very clear to Rich that he wants feeding, but Rich is busy typing up emails. The consequences of not feeding Walt when he wants feeding become very clear to Rich at the end.
It's dinner time, but Rich can't find Walt. It turns out he's high up in a tree, apparently scouting for danger. Walt also has a trick up his sleeve to deal with his arch-nemesis, Steve, the pug from next door.