Season 7
Artwork
| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | How does one know the age of rocks? | Jan 7, 2004 |
| 2 |  | Do Black Holes dance? | Jan 21, 2004 |
| 3 |  | What was the ether? | Feb 4, 2004 |
| 4 |  | What is methane hydrate? | Feb 18, 2004 |
| 5 |  | What does Perseus sound like? | Mar 3, 2004 |
| 6 |  | Does the universe fade? | Mar 17, 2004 |
| 7 |  | Where is the Earth moving? | Mar 31, 2004 |
| 8 |  | What are myons? | Apr 14, 2004 |
| 9 |  | Can one park in space? | Apr 28, 2004 |
| 10 |  | What is binding energy? | May 12, 2004 |
| 11 |  | Is the world stable? | May 26, 2004 |
| 12 |  | Are there holes in space? | Jun 9, 2004 |
| 13 |  | What is Cygnus X1? | Jun 23, 2004 |
| 14 |  | Is there a speed faster than light? | Jul 7, 2004 |
| 15 |  | What is the Planck World? | Jul 21, 2004 |
| 16 |  | What is entropy? | Aug 4, 2004 |
| 17 |  | What are quarks? | Aug 18, 2004 |
| 18 |  | What is the Casimir effect? | Sep 1, 2004 |
| 19 |  | Is Schroedinger's cat dead? | Sep 15, 2004 |
| 20 |  | Is the Sun something special? | Sep 29, 2004 |
| 21 |  | What is the Great Wall? | Oct 13, 2004 |
| 22 |  | Do Black Holes eat stars? | Oct 27, 2004 |
| 23 |  | What are natural laws? | Nov 10, 2004 |
| 24 |  | What are polar ring galaxies? | Nov 24, 2004 |
| 25 |  | What is a break of symmetry? | Dec 8, 2004 |
| 26 |  | Why is the universe so dark? | Dec 22, 2004 |