Leroy Chiao

Ancient Aliens - Season 7

Ancient Aliens - Season 17

The UnXplained - Season 7

How the Universe Works - Season 5

Ancient Aliens - Season 21

What on Earth? - Season 8

What on Earth? - Season 3

What on Earth? - Season 10

NASAs Unexplained Files - Season 1

Ancient Aliens - Season 13

How the Universe Works - Season 9

How the Universe Works - Season 6

How the Universe Works - Season 3

Ancient Aliens - Season 4

Ancient Aliens - Season 15

Ancient Aliens - Season 2

Ancient Aliens - Season 8

The UnXplained - Season 4

Ancient Aliens - Season 6

Ancient Aliens - Season 19

What on Earth? - Season 6

The UnXplained - Season 6

NASAs Unexplained Files - Season 3

How the Universe Works - Season 2

Ancient Aliens - Season 11

Ancient Aliens - Season 20