3:54

Have Aliens Visited Earth? | COLOSSAL MYSTERIES

2:37

Could Robots Take Over Earth? | COLOSSAL QUESTIONS

4:44

What is a UFO? | COLOSSAL QUESTIONS

5:49

Where Are The Aliens? | The Extraterrestrial Life | Fermi Paradox Theory | The Dr. Binocs Show

5:56

Are aliens real?