Juan lives with his big brother Carlos, his mother, and his father, as mentioned by Carlos in Room for Everyone. He also has a grandmother. He and Carlos are of Mexican descent like Tina and Luci. Juan's becoming good friends with Julie.
- If the Shoe Fits... (first appearance)
- Any Way You Slice It
- Gone Fishing!
- Who's Who on the Choo Choo?
- Hats Off to BJ! (last appearance)
- Barney Songs (scene segments only)
- Barney's Musical Scrapbook (scene segments only)
- Barney's Stu-u-upendous Puzzle Fun! (scene segments only)
- Juan never made an appearance with Derek, Tina, Stephen, David played by Kenny Cooper, Ashley & Alissa or Shawn without glasses.
- Juan is mentioned by Carlos in Room for Everyone, Shopping for a Surprise!, It's Raining, It's Pouring..., and Are We There Yet?, even though he does not appear in any of those Season 3 episodes.
- Juan is seen in the opening of all Season 3 episodes, even episodes which he does not appear in.
- Even though he didn't appear the episode "Room for Everyone" he did make a picture cameo in Carlos's drawing picture of his house and his family.