The BZPocalypse was a site-wide shutdown of BZP's forums that took place in between April 2011 and October 2011. During this stretch of time, the forums were completely inaccessible, and, while the news was still viewable, it went down as well for a bit during the latter half of the shutdown. The BZPocalypse is currently the longest forum shutdown in BZP history, leading the MiB Attack of 2010 by nearly 5 months.
In addition to adding a new forum system, the BZPocalypse saw all topics from 2001-pre BZPocalypse turned into a read only format, causing trouble for nearly all current comedies.
Thankfully though, the forums returned on October 13th, 2011. The archive was up on October 9th, and the comedies survived.
The official reason given behind the shutdown of the forums was that the forums needed upgrading, as they had been crashing and giving members problems for years. However, this reasoning drew some ire from site frequenters, as they believed that fixing the forums wasn't worth the cost of losing access to the forum for half a year, as well as no longer having the ability to post in topics made before the forums went down, causing all comedy writers who wished to continue their stories either having loads of relinking, or having to create a sequel comedy. However, all members got Premier Perks for at least a month when upgrades were done.