測心術

测 = 则 + 氵 : Wu Zetian (则) and the King of Chu (c) think that they are a good match and want to marry, but before they do, they interview (测) each other in the elevator's bathroom (e4). They spin a water bottle (氵) and whoever it is pointing at has to fill out the other one's survey (测).

心 = 乚 + 丶 : Marie Curie (xi) uses a shovel (乚) to dig a hole in front of the encampment ((e)n1). She wants to bury her heart (心). To the side are three petal leaves (丶), with which she wants to cover it afterwards.

术 = 丶 + 木 : Mnemonic symbol from 手术: surgeon.

In the space station's bathroom (Ø4) the surgeon (术) wants to tickle Sheldon Shrimp (shu) with a petal (丶), but Sheldon thinks it's a trap and he wants to cut him open, so he hides behind a Christmas tree (木).