So I left a few Easter eggs in a chap a while ago and I just forgot about them lol, so here are the answers!

1630142-OL= season 16, episode 30, 1 minute 42 seconds is the first time we see Lloyd using his oni power

M-8.3-O= monster- season 8 episode 3- oni= the first time we get mention that Lloyd is part oni

M-p.1-O= monster- the pilot episodes, ep 1-oni=this is the first time we see garmadon