输血

输 = 俞 + 车 : Sheldon Shrimp (shu) wanted to go on a trip with Yu Xiulian (俞) in their space cabriolet (车), but in front of the space station (Ø1) Sheldon entered (输) the wrong password three times in a row and now they're locked out of their car.

血 = 丶 + 皿 : Mnemonic symbol: blood transfusion.

Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.