0:03
Please enable Javscript
Tracking device blips
0:05
Please enable Javscript
Tracking device blips, low
0:03
Please enable Javscript
Tracking device blips
0:02
Please enable Javscript
Tracking device blips
0:05
Please enable Javscript
Tracking device blips, low
0:05
Please enable Javscript
Tracking device blips, low
0:02
Please enable Javscript
Alien computer program tracking sequence