| abstract
| - It is common for long-running series to feature Call Backs, in which characters make a quick Shout-Out to an event that happened earlier in the series. This provides a nice reference for long term fans to pick up on and helps establish a sense of continuity - after all, the characters should remember the things that they've done in the past. The inversion of this is a Call Forward, when a character in a prequel makes an offhand comment about something that viewers know will happen in the future, but the character him or herself is unaware of. Usually this takes the form of a derisive statement like "X? That's the Stupidest Thing I've Ever Heard", where X is a major theme in the series. Done well, this can be a good inside joke in the same sense as a Call Back or even provide an explanation for why something happens in the future, but done badly it can seem bizarre that the character would say something like that. If the predictive statement appears in a work released before the event it predicts, this is Foreshadowing or a Funny Aneurysm Moment. If the story is set in the past and the prediction is of a real-life event, then this often overlaps with It Will Never Catch On. Flashback to Catchphrase can be related, especially if it's preceded by "I'm only going say this once..." or "I can't believe I'm saying this, but..." Examples of Call Forward include:
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