Yes she's seen a few times in the episode, but not in the mermaid outfit. That was only a commercial leading up to her episode. House Party is available on pre-recorded DVD.
Tales from the Deep: Includes episodes from Deep Sea Sillies and Bikini Bottom Bash videos
'Spongebob SquarePants - Tales From the Deep'
SpongeBob's House Party (3) (Double Length Episode)
Hall Monitor (1)
I Had An Accident (3)
Valentine's Day (1)
Just One Bite (2)
Mermaidman and Barnacle Boy (1)
Tea at the Treedome (1)
The Paper (1)
Born Again Krabs (3)
Special Features:
"Underwater Sun" Music Video
Drawing the Goo Lagoon
"SpongeBob's House Party" Storyboard
[ March 20, 2005, 05:41 PM: Message edited by: i love love ]