> For the complete documentation index, see [llms.txt](https://mysteriesland.gitbook.io/litepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mysteriesland.gitbook.io/litepaper/collectibles/episode.md).

# Episode

Each EPISODE is a collectible NFT token with the image of an encoded text of a short story from the respective book. Its content will be hidden through 10 codes, where each code represents a part of the text. 

Each code is deciphered by a [CARD](/litepaper/collectibles/card.md) that contains unlockable content with the text of the code. 

Decoding consists of replacing the code with the corresponding text that completes the sentence. Therefore, the code key that is on the CARD is alphabetic text. See the example:

> Coded phrase from the episode: *<mark style="color:yellow;">“Central for police car, \[10-01]? Reporting of a \[10-02], go to \[10-03].“</mark>*

* Code \[10-01] is in the key #20: “<mark style="color:green;">listening</mark>”.&#x20;
* Code: \[10-02] is in the key #32: “<mark style="color:green;">robbery in progress</mark>”.&#x20;
* Code: \[10-03] is in the key #71: “<mark style="color:green;">the Sheriff's house</mark>”.

> Decoded phrase from the episode: <mark style="color:green;">“Central for police car, listening? Reporting of a robbery in progress, go to the Sheriff's house.”</mark>

After getting all 10 CARDS that decipher the EPISODE, the next step is to [validate](/litepaper/collectibles/episode/validation.md) it.