| Released | October 10, 2003 |
| Duration | 87 minutes |
| Director | John Hoffman |
| Written by | Zeke Richardson and John Hoffman (screen story), John Hoffman (screenplay) |
| Music | Tom Hiel and Mark Mothersbaugh |
| Studio | Metro-Goldwyn-Mayer Pictures / Jim Henson Pictures |
| Rated | PG for some mild crude humor |
Good Boy! is a Jim Henson Pictures movie about the friendship between a boy and an alien dog.
Cast
- Liam Aiken as Owen Baker
- Matthew Broderick as Hubble (voice)
- Molly Shannon as Mrs. Baker
- Kevin Nealon as Mr. Baker
- Delta Burke as Barbara Ann (voice)
- Donald Faison as Wilson (voice)
- Cheech Marin as The Greater Dane's Henchman (voice)
- Brittany Murphy as Nelly (voice)
- Vanessa Redgrave as The Greater Dane (voice)
- Carl Reiner as Shep (voice)