In the episode "Lightspeed", the Hive Five takes over the opening credits.
The title credits are sung bi-lingualy, some episodes being in Puffy's native Japanese, others being in English.
The Japanese lyrics occasionally featured in the opening credits are not a direct translation of the English lyrics. A translation of the Japanese lyrics appears in "Teen Titans: Trouble in Tokyo (2006)"
In the episode "Fractured" the character of Larry pops up during the opening titles.