That witch thing was in November.
The preceding episode of the pond mystery
“Well, that dredge was not a success, so we lost that rod nicely. And now we don't know what's in the pond yet.”
“It could be a crocodile.”
“Yes, of course. Crocodiles that first fly whirling through the air and then dive into our pond. That would have been bewitched crocodiles, huh?”
“Maybe it was a joke of @Dana , to send crocodiles at us. It's in that little circle, with all witches.”