Corporation for Public Broadcasting (Eruowood)

1967–1979
First logo. It has a tube shape that looks like the letters C, P and B respectively.

1979–2002
Second logo. It's a circle with the letters C, P and B. This logo was still used on Dragon Tales until the show ended in the year 2005.

2002–present
Third logo. Same as the second, but it's a square and the typeface is different.