Upside-Down Squids

Info
This is the thirteenth (prod no. 9B) episode of Squid Vs. Squid.

Summarized Plot
Sandy's invention malfunctions and zaps Bikini Bottom upside-down on the day that Squidward is performing at a clarinet concert, and Squilliam tries to use it to his advantage.

Trivia

 * In this episode, it doesn't show SpongeBob at all.
 * This episode is the only instance in Squid Vs. Squid where a holiday special is two regular episodes, as opposed to a double-length special.