This article describes a custom creation, custom theme, or other fan material, made by a Brickipedia contributor. It has never been, is not, and will not be officially released.
90004 Merma-lair Attack Is a Custom:Nicktoons Super Heroes Set.
Attention, SpongeBob & Patrick! Man Ray Has Taken Control Of The Merma-lair, One Of The Most Important Hideouts In Bikini Bottom! You Must Track Down The Hacked Computer Systems, Unnoticed, Transform Into One Of Your Alter-Egos, Super SpongeBob SquarePants, And Patrick-Man, And Capture Man Ray In The Prison Below His Own Feet!