10 to14 years old.
9,10,11,12,13!
He was 13 when he was on the show but I'm not sure about now.
To be a contestant on "Fetch! with Ruff Ruffman," you must be between the ages of 10-14 years old. This age range allows for children to participate in the challenges and activities featured on the show.
"Fetch! with Ruff Ruffman" is an animated television show, so Rosario's age is not explicitly mentioned. However, she is depicted as a young girl, likely around the age of 10-12 years old based on her appearance and interactions with other characters on the show.
i think he was 14 on that show. you can tell because he looks taller than sam and dj.
FETCH! is taped in Boston, MA.-Thomas Coe
Massachusetts
Isaac from "Fetch! with Ruff Ruffman" was approximately 10 years old during the filming of the show.
The oldest fetcher on the show is jay( season 4) and Anna ( season 1) both the age of 14. to enter fetch you eithher have to be the age of 10-14 years old.
watch it
When she was on fetch she was 13 now she is 14
she is about 12 years old