老年痴呆症

老 = ⺹ + 匕 : Lancelot (l) is showing his respect to grandpa (老) in the aorta's living room (ao3). He's bowing deep and offering a crown (⺹), but grandpa refuses by hitting Lancelot on the head with a ladle (匕).

年 = 午 + 丨 + 一 : Nefertiti (ni) is having lunch (午) in the anthill's kitchen (an2). Unfortunately they didn't have any cutlery left so she has to use a dinosaur bone (丨) and a flute (一) instead of fork and knife. It will take her a whole year (年) to finish her lunch this way.

呆 = 口 + 木 : The fool wants to make fun of Don Quixote in front of the airplane. To fool him, he set up a Christmas tree to look like a huge animal by putting a mandarin on top which looks like the head of the animal. Don Quixote thinks he met his arch enemy and starts to charge the construction, much to the fool's delight.

症 = 正 + 疒 : The stick figure (正) is visiting James II of England (zh) in the engine's bathroom ((e)ng4) to have him investigate his colorful rash (疒). Unfortunately James II of England has to tell him that he has cancer (症).