I'm quite interested in this topic and it would amazing if true. There's a lot of interesting stuff here.
Unfortunately any old existing video footage is blurry and any new video footage can be faked with great detail so we may never know for sure what's real footage. Even if a real physical being was on tv, prosthetic makeup is so good how would you even know the difference.
There are some stories that these are not from another planet but from this planet and come from the ocean and have been tracked underwater.
This guy, Professor Simon has a good take on the navy and other UFO sighting; laser induced plasma, the sightings are US military objects being tested on their own military.
https://www.youtube.com/watch?v=y5V_j55hvU0&t=990s
There is a section of a US bill or whatever (NDAA) being passed in November/December that will protect whistleblowers from severe consequences on breaking NDA's regarding UFO's.
Sam Harris and Eric Weinstein have both said they were contact by some unknown group to assist with disclosure when the time comes.
My main hope is that the stories of UFO's disarming nuclear warheads is true. We might need that. Look up Robert Salas
https://www.youtube.com/watch?v=HtGaxsfgRJ4
Here are a few of my favourite videos
https://www.youtube.com/watch?v=yXWB2hiPhUg&list=WL&index=8
https://www.youtube.com/watch?v=cE-Yrv1-chI&list=WL&index=28
Lots of videos of fast walkers on you tube
https://www.youtube.com/watch?v=z7eeqnZNhp4