Documentary on nature's ultimate abyss, the black hole. It is the darkest thing in the universe and its gravity is so powerful that not even light can escape. Most start out as brilliant stars which, after millions of years, eventually collapse forming a bottomless pit from which there is no escape.
| Name | Type | Role | |
|---|---|---|---|
| John Hurt | Host | Narrator | |
| Stephen Hawking | Guest Star | ||
| Richard Smith | Director |