put honey on one of trees (that has grass at the bottom), leave the area and wait a bit, go back to the tree and defeat the pokemon on whatever side the web ISN'T on
he did, somebody told him in the comments like 14 episodes before the current one I thought nexus and twit got gastly at first since the 2 eggs look similar
I always thought there was a hidden mechanic where finding a shiny increased the chances of finding more for a short period of time since I once hatched 4 shiny A-vulpix back to back