Are you talking about that quick white thing moving in the very beginning of the video?

indeed.

Hmm....It is possible that it was an orb. I watched it a few times to see if it was a possible light reflection from something, but it didn't seem like it

Nope, my windows are covered and I'm on the second floor, so no car lights or anything...and the TV doesn't produce much light because I have it on energy-save mode...

I wouldn't be surprised if it was my step-grandmother...or one of the many, many pets this house has seen. o3o

Hmm...It is very possible. I was just also seeing if it was coming from an outside light source or maybe even the camera reflecting on something, but it honestly didn't seem like that at all...so it is a very good possibility. *is a professional Paranormal Investigator*

Well, I'm on the second floor, and the windows are always covered (they are behind me in the video) So no car lights. The camera I'm using is my phone camera, which is mostly matte apart from the lens itself.

The orb doesn't follow the wall, so its not a reflection. And I know there must be at least one spirit attached to this house. Either my step-grandmother, or any number of pets of all sizes (from mice to dogs and pretty much everything in between).