This has become a semi-regular thing, so I'll just link you to the writing tag and let you get aquainted if you're not familiar.
Starting points are provided below. You can use one or any combination of the three if you like. Whatever works.
Phrase:"The last time this happened..."
Image: A flickering lightbulb
You write whatever you like using that starting point and see what comes. (Note, no rules on length, content, whatever. Just see what happens)
p.s. As always, tell a friend and read the comments ;-)