五四运动

五 = 王 + 丨 : A pentagram.

五 = 王 + 丨 : Martin Luther King helps Willy Walrus to construct a pentagram out of dinosaur bones inside the space station.

四 = 儿 + 囗 : Mnemonic symbol: a four-leaved clover. Socrates (s) is working out in the bathroom of the space station (Ø4). He's lifting four (四) wooden boxes (囗), and wonders why they are so heavy. He doesn't know that inside one of the four boxes, the monkey king (儿) is hiding and secretly laughing at him - until the monkey king comes out and surprises Socrates with a four-leaved clover (四).

运 = 云 + 辶 : Yu the Great (yu) is practicing step dancing in the encampment's bathroom ((e)n4). She is wearing gladiator sandals (辶) and is moving (运) so fast that she's evaporating the floor. There are even clouds (云) of smoke coming from her gladiator sandals and the evaporated floor.

动 = 云 + 力 : Doggy Dog notices a lot of smoke when he enters engine's bathroom. Instead of thinking long, he acts quickly and moves to push the fire alarm button.