When we see young Chaud first meet ProtoMan, he has the new PET, but that wasn't invented at the time. It shoud've been the old PET with the chord on it.
Young Chaud: My name is Chaud. I guess you're my Net Navi.
Protoman: Nice to meet ya. My name is ProtoMan. I am at your service. So, if there is anything you need, I'm right here.
Chaud: I thought this day would never come ProtoMan, but now you're really back!
Lan: This can't be, Chaud's evil, the Dark Chip took him over!
(After fighting Dark ProtoMan)
Chaud: Now I think I need a vacation...
Chaud: No matter how dark your heart has become, you will always be my Netnavi, ProtoMan.
We get to see how ProtoMan and Chaud first met.
Dark ProtoMan is immune to the Vaccine Chip that Mr. Famous made.
In this episode Mr. Famous finishes his Vaccine Chip, which can make any Darkloid back into a regular Net Navi.
In this episode SciLab finishes their very own Dimensional Area Generator.
Dark ProtoMan and Chaud CrossFuse in this episode.
Dark ProtoMan's Dark Chip can automatically regerate itself.
Japanese Title: Farewell Blues
ProtoMan becomes good again in this episode.