"video killed the radio star" was the very first video they played. imagine that. >> seems like the last one too. apparently they don't play videos at mtv anymore, that's how old i am. oh, love "the jersey shore." mtv went on to air live concerts and spin off several other channels. in fact, a three-day look back at the big moment in mtv history is now airing on vh1. >> very exciting. >> very cool. 30 years. >> i know. >> wow, crazy. >> i'm trying not to think about that too much. >> we're getting old. congratulations are in order for a new class of graduates who just made the grade out in san francisco. >> that's right, five penguin chicks rejoined their colony at the san francisco zoo over the weekend after successfully completing fish school. congratulations. the penguins spent a month leararng how to swim and getting hand-fed, getting used to that interacting with people. >> the chicks may look a lot alike but the zookeepers there say they each have very different personalities.