Released on Aug. 14, 2000, the first episode of “Dora the Explorer” moved forward in spite of an English-only movement bubbling up in California politics a few years prior; Proposition 227 passed in ...

Dora the Explorer ran on Nickelodeon from 2000 to 2014 for 14 seasons and 172 episodes, and spawned the spin-off shows Dora and Friends: Into the City and Go, Diego, Go.