大禍臨頭

大 = 一 + 人 : The big (大), huge (大) robot (mnemonic symbol for 大) is working out in the ashram's bathroom (a4). He's lifting a flute (一) to which Don Quixote (d) and Neanderthal man (人) are clinging.

祸 = 呙 + 礻 : Helga Horse (hu) tries on her new monk's cowl (礻) in the observatory's bathroom (o4), but she soon realizes a disaster (祸): in her monk's cowl, her breasts look lopsided (呙).

临 = 刂 + 大 + 囗 + 丨 : In the encampment's kitchen ((e)n2), the robot (大) oversees (临) his army by standing on a huge wooden box (囗). The box is only able to carry his weight because it has been reinforced using a dinosaur bone (丨) acting as a pillar. Just as the robot is about to (临) wave his kitchen knife (刂) into the direction his troops should charge, Li Qingzhao (li) shows up and kicks away the dinosaur bone, causing the robot to fall off his box.

头 = ⺀ + 大 : Tecumseh (t) is inspecting is depiction in the outhouse's kitchen (ou2). He's depicted as having a skull (mnemonic symbol for 头) head (头) with two petal leaves (⺀) in the eye holes, and having a robot (大) body.