... that leaves just a couple more half-memories of childhood TV in Canberra to track down: opening titles with scratchy white lines dancing on a black background, forming various shapes, including the Eiffel Tower; and (this was a different show) a cartoon cliffhanger which terrified me, in which the protagonist (a boy?) and offsider (his dog?) fall into a giant jelly, possibly a monster, and he cries: "We'll be smothered!"