Somethings wrong here

Games Halo 5: Guardians
1

http://xboxdvr.com/gamer/PaidHercules/video/13992216
Can you guess what’s wrong with this?
I sincerely hope you can (343).
lol

2

ok. game breaking bug here. please 343 drop everything you do and fix this! /sarcasm

3

Must be a campaign skulls or something lol

4

You should have seen what the warthog looks like.

5

and wave 'em like you just don’t care.

6

LOL it happened again. This happened to another person a while back.

7

if you use the Machinima button combo in game you can glitch it like that

8

Yeah that marine was dancing all wacky.