Seen on 2000-2009 episodes of Dora the Explorer, 2000-2004 episodes of Blue's Clues, 2000-2003 episodes of Little Bear, all episodes of Oswald, and 2004-2005 episodes of The Backyardigans.
That variant first and last debut of Dora's Pirate Adventure.
2005–2009
Seen on 2005-2009 episodes of Go, Diego, Go!, 2006-2009 episodes of Wonder Pets, 2005-2009 episodes of Dora the Explorer, 2005-2007 episodes of Blue's Room, 2005-2009 episodes of The Backyardigans and 2008-2009 episodes of Ni-Hao, Kai Lan. Then all 2009 episodes of Go, Diego, Go!. Wonder Pets. Dora The Explorer. Ni-hao, Kai Lan. Always having the Nickelodeon light blub logo. The Backyardigans are having a variant of the logo.