What episode is Spongebob Eel Mother-in-law?

Spongebob season 7 episode 14 1: the curse of the eel mother-in-law, the terrible big plug.

Dark clouds suddenly appeared in Beechburg. It was calm, followed by lightning, and then it began to rain. A guest at Crab King Castle took an umbrella, and was hung up by a tornado just after going out, but the guest without an umbrella walked out safely.

When Squidward Tentacles was about to close the door, she thought that the ugly eel mother-in-law suddenly appeared in front of Squidward Tentacles, which startled him. Lightning further set off the horror of the eel mother-in-law. Squidward Tentacles explained that krusty krab was about to close the door, and the eel mother-in-law spat water again and again, but the eel mother-in-law didn't seem to hear her, so she had to go in.

Plot:

Spongebob is a square yellow sponge. He lives in a pineapple in Bikini Beach (Kutou Village, Beechburg). His pet is Gary the Snail, a conch named "Cat ~ Cat ~". Spongebob likes to catch jellyfish, and his occupation is the number one chef in Krusty Krab.

Patrick and Sandy are his friends. Spongebob always makes trouble for a peaceful world. Although he made some jokes, he always got out of trouble and made new troubles.