If you're just specifically trying to think of something Unique And Different And Interesting, then I think that's gonna be really difficult! The first episode is important, sure, but instead of "I have to come up with an INTERESTING first episode" it should be based on how best to introduce your story, specifically -- "What's the best way to introduce this story? What's the most interesting starting point?"
If the prologue feels boring to you, ask yourself if you even need it. An earlier draft of my webcomic started out with a couple of side characters explaining the situation (a small militia had barged into town to deal with some monsters there, the town had its own monster hunter (the protag) and didn't want the militia there) but I realised that I didn't need to start out with that explanation -- I could jump right into what the main characters were doing, so that you could watch them interact with each other and get a good feeling of their personalities and at least one place where they conflict, and then interrupt them with the militia barging in. It would give us the chance to see all of these things happening and sort of, explain as needed as we go, instead of explaining everything right at the start.
This is a bit of a weird example, but when Finding Nemo was coming out, I saw a lot of commercials for it that showed off the world and some of the plot, like trailers generally do, and none of them actually interested me in the movie.
But well before this, I had seen a trailer that was in the opening commercials of a different DVD that was just Marlin and Dory, floating in a blue, featureless ocean, arguing about whether they were lost and who needed to ask for directions. I immediately thought to myself, "I HAVE to see this movie."
You would think that implying a fish's grand adventure would be more "interesting" than an argument in a featureless ocean, but that argument let us meet the characters and see how they were going to bounce off each other, and made me want to see more of them!! For the trailers that showed me more of the plot, I cared less, because I didn't get to see much of the character that would be taking me through this grand adventure.
So, I would ask "Where does your story start? Where do things begin getting interesting?" but keep in mind that "interesting" doesn't mean AN ACTION THING IS HAPPENING. You can start in a conversation, if it's interesting. A character doing or saying something unexpected, making choices that tell me what they're like, will always hook me more than an impressive fight scene.