Oops, I just clicked on the link for part 3 and suddenly discovered the writing is almost impossible to read! I'll tell you what they are saying starting after meanwhile-
SB:(thinking)Gee, I hope Squidward's Okay... He seemed like he was in a bad mood...
SB:"Hey, Squidward! I'm glad to see you're in a good mood!"
SB: "Oh, I see you encountered bad thing #3. Those mimes sounded vicious!"
Squid: "Wait- How did you know about the mimes?"
SB:"Oh, yah, I forgot! The guy who sent us the letter sent us a list of curses for if we didn't mail it!"
NOTE: Headaches, constipation, abdominal pains, stomach ulcers, pink eye, diarrhea, nausea, and leprosy.
Squid: "Huh? What's this?"
SB:"Oops! sorry, that's a list of possible side effects for the new allergy medicine I'm taking! Here's the real list!"
NOTE: 1. Giant Submarine 2.Banana Peel 3.Mimes 4.Grease Burn 5.House Destroyed 6.Nose Swelling 7.Attacked by snails 8.Fall down 9.Viperfish 10.Get Fired 11.Grow Second Head 12.Second Head explodess 13.EXPIRATION
Squid:"SpongeBob, I'm not telling you again, there is no curse! So if you'll excuse me, I'm going on my lunch break!"