Why do my tv video clips show under movies on my iPod Touch?

I’m trying to download South Park and Simpsons episodes on ipod touch but they keep showing up under movies. I’d like for them to go under the tv show category that’s listed on the ipod.

These episodes are ones I’ve downloaded on my computer elsewhere besides iTunes. I’ve found shows downloaded from iTunes go directly to the tv shows category but the ones that aren’t downloaded from iTunes don’t do the same.

I hope this isn’t confusing.
How do I fix this?