This is a nice surprise...
The graphics are fantastic as well as the animations. The character designs are very nice too, especially Kate's.
The intro is one of the best animated intros I've seen in a while. It actually looks like something I'd see on television! Huge kudos for that. Also, the music is awesome and bouncy; it fits perfectly.
The voice acting is a little poor and could use some improvement. It sort of brings down the funniness a bit, unfortunately.
The humour is pretty funny but, hence the above critisism, it's brought down a bit because of the voice acting. My favorites parts are "I took your wallet." because of the way it's said and "Ow, my discus throwing arm!" also because of the way it's said. :D
Overall, I really enjoyed this! However I think the voice acting could use improvement, which is a shame because I think this is an awesome start to an animated series. That said, best of luck with future episodes from here on out! And great job, man. :) (Also, please forgive any typos I might've made, I'm probably too tired to notice them until it's too late to fix them. :P)