Pretty Little Liars fans have been reliving the Season 1 scene where Ali (Sasha Pieterse) visited Hanna in the hospital ever since the Halloween episode, when the very much alive Alison told Hanna to "remember what [she] told [her] in the hospital." It seems like there must be something really big in that scene, and fans are determined to figure out what it means.

Like everyone else, we've been going over that scene with a fine tooth comb, and we think it's high time we break it down here.

"Yeah, I heard that too. But here I am."  At the beginning of the scene Hanna, wide-eyed and wondering, tells Ali she thought she was dead. In response, Ali says, "Yeah, I heard that too. But here I am." Obviously, this could just be Ali's sarcastic way of saying she's alive, but we have to wonder if the phrasing "I heard that, too" is significant.

We've been thinking that Ali carefully and purposefully plotted her own fake-death, but this might be a suggestion that going into hiding was a last ditch effort. Perhaps the cover up making it seem like she died came later — that could be why "Ali's body" wasn't found until a year after the disappearance. Or is it possible someone other than Ali is the one who planted that body? It could even be part of "A"'s evil plan...

"Worse than algebra." When Hanna asks what happened to her, Ali replies, "It's complicated Hanna, really complicated. Worse than algebra." Some fans are wondering if that last phrase is a clue — perhaps a hint that Ezra is involved, because it's a reference to school?

"You already know." Here's where things really get juicy. Hanna asks, "What happened when you left the barn? We all want to know," and Ali replies, "You already do. The four of you combined, you remember more about that night than you think you do."

This seems like a huge clue. At this point, the Liars still haven't worked out exactly what happened that night, and Ali pointing to this scene again suggests they still have a lot of memories to dig up. Could this line even suggest one (or more) of the Liars was involved with what happened to Ali that night? In the book series that the show is based on, Spencer had a lot to do with the night Ali disappeared, and proponents of the theory that Aria is involved with the "A" team on the show think this could be a clue to her motives.

"Noel? Please." Next Hanna asked, "Where'd you go, to meet a boy? Noel?" Ali replies, "Noel? Please." A lot of people have assumed that Ali did go to see a boy — Ian. But could Board Shorts (who may or may not be Ezra) have been involved, too?

The truth won't make a difference. Hanna begs Ali to tell her the truth, but she dismisses the request: "It won't make any difference, darling." We, like Hanna, wonder how that can be the case. Did Ali think whoever was after her wasn't in the girls' orbit? Or did she think the situation was so dangerous, nothing could really help the Liars?

The truth is what got her in trouble. This is what Ali has to say about telling truths: "You think the truth is some big shiny disco ball of purity? Then go ahead and try it. Be honest. See what it gets you. Telling the truth to the wrong person at the wrong time is how I ended up where I am. Take it from me. You’re always better off with a really good lie."

We think this is another key passage, and have even gone into depth about what we think the truth Ali told was, and who she might have told it to.

Gotta do something about "A." At the end of the scene, Ali explains that she had to come to Hanna, because "I was so scared that you were going to die. That's why I came back. I didn't care how dangerous it was. I had to see you. You know I really should do something about 'A'. That bitch is genuinely getting on my nerves."   

We think this is interesting for two reasons. First, Ali seems to think she could do something about "A" if she wanted to, and two, she refers to "A" as a woman. To us, that suggests she was talking about Mona, who was the first "A" for the Liars, but we're pretty sure was not the person Ali was hiding from. Did that person only take up the "A" mantel later?

Watch the scene for yourself below.