渡
=
度
+
氵
:
Doggy Dog (du) is going to a party in the space station's bathroom (Ø4). To get there he'll have to take the ferry (渡), but he's worried that his drink will be cold by the time he arrives. He's constantly measuring the temperature of his bottle of water (氵) using a thermometer (度).
河
=
可
+
氵
:
A river has flooded the elevator, and in the kitchen, Hamlet is floating on a bed of nails. He found a water bottle to put upside down on the nails, so he has to balance on the bottle in order to not have to sit directly on the nails. It is quite difficult to do on a rocking makeshift raft.