Season 3 Episode 4 : Nasty Patty
A health inspector comes to the Krusty Krab and Mr. Krabs thinks he is an impostor looking for free food. SpongeBob and Mr. Krabs give them a patty covered in nasty things like toilet water and toenail clippings. The health inspector swallows a fly and chokes, causing Mr. Krabs to think he killed the inspector. They try to get rid of him by burying him and then putting him in the freezer, all the while having hide this from the police. They eventually confess, but they find out the health inspector was not dead after all, and he passes the Krusty Krab.
Previously: Season 3 Episode 4 : Idiot Box
Next: Season 3 Episode 5 : As Seen on TV