In "Jellyfish Hunter", he is the first person to try SpongeBob's "Krabby Patty with Jellyfish Jelly", and sings a song proclaiming how he loves it and he said "MY LEG" during when he is kicked out.
In "All That Glitters", a variant of this model buys SpongeBob an extremely expensive spatula, which he gives up everything he owns, including his clothes, to buy. He is also seen in this episode saying "Monster Krabby Patty?!".
In "Band Geeks", he was injured on Day 2, but then was later was seen in the near end of the episode.
In "Slide Whistle Stooges", Fred has apparently a heart disease, he was pale, as his wife Sadie has seen pushing his chest and the heart monitor said that he had no pulse so it indicated that he had a heart attack.
In "Something Smells," a blue Fred was seen twice. After SpongeBob's ball of bad breath knocks out the marching band, in the movie theater he smelled SpongeBob's breath, screamed "DEUUEAUGH!!" and end up being a phenomenon on YouTube.
In "Culture Shock", right after Pearl goes on and does her cheerleading act for the talent show. He is later shown buying tomatoes from Mr. Krabs to throw at Squidward, and says that they are worth every penny.
In "No Nose Knows," his voice is feminine and later changed his voice to masculine.
In "Bossy Boots", Fred is not voiced by Doug Lawrence, but by a voice actor who made him sound much, much older than he typically sounds.