What Episode Is Cousin BlackJack?

Cousin BlackJack is the episode where SpongeBob tries to get Patrick to join the household of Plankton. In this episode, SpongeBob is trying to get Patrick to join his household so he can have an extra set of hands to help with work around the house. However, Patrick is not interested in joining SpongeBob’s household and would rather stay with his own family. SpongeBob tries to convince Patrick by telling him about all of the fun activities they could do together if he joined, but Patrick is still not convinced.

SpongeBob then tells Patrick about how much money he could make if he joined SpongeBob’s household and became a member of Plankton’s army. This finally convinces Patrick to join SpongeBob’s household and they both head off to Plankton’s house.

At Plankton’s house, SpongeBob and Patrick meet Cousin BlackJack, who is in charge of Plankton’s army. BlackJack assigns SpongeBob and Patrick to be janitors and they are put to work cleaning up the house. As they are cleaning, they find a secret room that contains a treasure chest.

They open the chest and find a map that leads them to a secret beach where they find a treasure. They are then caught by BlackJack and are brought back to the house.

BlackJack is about to punish SpongeBob and Patrick, but Plankton stops him and instead decides to give them a raise. SpongeBob and Patrick are now members of Plankton’s army and are given their own janitorial uniforms.

They are also given a secret mission: to find out what Plankton is up to.