When it comes to episodes that are numbered as "Prologue" or "00", unless there is a clear indication that an "episode 0" should NOT be considered as the first episode of the regular airing sequence, an episode 0 will be considered episode 1 on AniDB, as it is the first aired episode.
'''When an "episode 0" is considered as episode 1 on AniDB, we :'''* An episode note should be added to provide a brief description. For example: "Listed as Episode 00"* We will apply the following naming convention, to make it explicit that it is an "episode 0":
<pre>-- "Episode 0: xxxxx: yyyyy - zzzzz",
-- "Episode 00: xxxxx: yyyyy - zzzzz",
-- "Prologue 00: xxxxx: yyyyy - zzzzz",</pre>
Etc, where:
<pre>xxxxx: yyyyy - zzzzzz</pre>
Represents our general title naming convention of:
Main_ep_title: sub_title - sub_sub_title An episode note should also be added to provide a brief description. For example: "Listed as Episode 00"</pre>
===Play Length===