not bad
but voice acting couldve been alot better , you did the animation well though. i like the idea of bowser working with mario , havent seen that since super mario rpg. the large amount of characters was smart because lots of people will die in a zombie movie. i think your putting in a bit too much to show how much the people have changed in the attack , they are not like theyre original selves at all at this point. too much is happening too fast , events that happened in this small amount of time are : zombies attack , survivor found , left tree house , boss fight with petey , death of a survivor , got on plane , and then a massive swarm comes together at the end in the sky. the sky is vast yet they all were jammed together. you never even said how it all got started , or how they found/made that hideout in the tree. itd be smart to mention such things in future episodes im not trying to be mean by saying all this , im trying to give you constructive criticism. now i see there is potential in this , it just needs some fine touches.
sincerely ,
Mutt