SpongeBob: Lost Episode

About
There has been no information about this episode, But however if you go to Nick.com you will see a epsiode titled the lost episode, which indicates there was a lost episode it sends you to a season three episode of it. However, This could either be real or just a glitch from nick.

Link: http://www.nick.com/spongebob-squarepants/videos/the-spongebob-squarepants-lost-episodes-s3-ep19-full-episode/