"Piez are yummy." Prof. Oak then hands you a large cat for no reason, and then kicks you in the crotch.
You must take the Cat to Mt. Silver in 23 Seconds. You can do this by taking a time machine, and then walking. You can not use a bike, and you have EXACTLY 23 seconds to get to the Top o' Mt. Silver and talk to Red.
He will then say "I LIEK CATZ! TAY TAISTE YUUMEY! KITTY FOR ME?!?!?111!ONE!11!?" Answer yes 4930 times exactly and then press B. He will then say "SO... I HERD U LIEK MUDKIPZ?" Answer no, then yes, then no, then no, then Cucumber, and then 11, then yes, and Red will say "YAY. U LIEK MUDKIPZ! HAVE A MUDKIPZ AND A POTATOMELONPIE1149AS;FJCGAFJKEFNJCNEKWE!1ONE11!!" Take the "MUDKIPZ"* and the "Potato???" to the Game freak HQ in Celadon. Talk to the spriter who will say...
*Yes there is a difference. A MUDKIPZ looks like a Mudkip, but it has the move Draco Meteor, Earthquake, Judgment, and Super MeMe, which will cause 4chan members to appear on the screen, scream "What the Hell? We love mudkipz! We're gonna kill you!" and then beat your opponent to a pulp.