This article is about something that was for a period of time or is no longer in Club Penguin.
| Under Construction
This page contains links to Media1.clubpenguin.com which no longer work. It will be updated soon with archived links. Thank you for your patience.
The Underground Opening Party, also known as the Cave Opening Party, was a party that occurred in Club Penguin. It began on May 26th and ended on May 29th 2006. The members-only party celebrated the opening of the underground rooms.
- All of the music for this party later was later reused at the Submarine Party 2008.
- This was the second members-only party in Club Penguin, the first being the Pizza Parlor Opening Party.
Community content is available under CC-BY-SA unless otherwise noted.