'The Simpsons' packs 750 characters into epic opening sequence for 750th episode

Cowabunga! The Simpsons celebrated its 750th episode–the finale of its 34th season–with a unique opening sequence. They brought in a whopping 750 characters from the show's past, from Springfield regulars to memorable one-time guests.

The lineup was like a virtual who's who from the world of entertainment and beyond, with folks like Dolly Parton, the Rolling Stones, the Queen of England, and even John Lennon making blink-and-you'll-miss-it appearances.

For those struggling to identify every character, there's good news. Wikisimpsons claims to have figured out all but three of them.