Customer Relations.

Customer Relations is an epiosde of ADWSS

Plot
Mr Krabs suddenly receives an unexpected suspicious customer (Or that's what he thinks) and decides to spy on him to prove if he is a criminal. It turns out he works for Sheldon which makes him think he works for Plankton however this guy actually works as a Secret Agent. Is he really a criminal or has Mr Krabs misunderstood the situation?

Trivia
1. First appearance of the Secret Agent

2. First time someone has the same name as Sheldon Plankton.

Running Gags.
1. Mr Krabs spying on the agent.