Paranormal Videos That I Can't Explain

Here are a few paranormal videos that I stumbled upon that I genuinely can’t explain. Could these be proof that ghosts exist?

CLIPS USED:
The Remote:   / would_love_some_thoughts_on_this_watch_the...  

Grandma’s Train:   / my_daughter_played_her_grandmas_piano_who_...  

The Baby: Baby   / im_96_sure_we_caught_a_ghost_on_camera_pul...  

The Cat’s Friend:   / is_nice_she_can_entertain_herself  
and   / purrinormal_activity_cat_plays_with_ghost  

The Ball:   / watching_my_dog_play_with_a_ball_could_be_...  

Costco Ghost:   / ghost_in_a_mexican_costco_wholesale  

The Spirit In the Driveway:   / my_mother_collected_this_video_from_our_dr...  

MUSIC USED:
Underworld -    • Horror Ambience | Underworld - Myuu  
Approaching Disaster -    • Chernobyl Approaching Disaster  
Shadowlands -    • Kevin MacLeod ~ Shadowlands 1 - Horizon  
There is no Help -    • There Is No Help  -  Suspense Music