Leave Your Mark Thing! (S01E21)

S01E01 100 Things to Do Before High School S01E02 Start a Garage Band Thing! S01E03 Run with the Bears Thing! S01E04 Say Yes to Everything for a Day Thing! S01E05 Be a Fairy Godmother Thing! S01E06 Stay Up All Night Thing! S01E07 Adopt a Flour Baby Thing! S01E08 Change Your Look and See What Happens Thing! S01E09 Find Your Super Power Thing! S01E10 Scavenger Hunt Thing! S01E11 Make a New Friend Thing! S01E12 Be a Mad Scientist Thing! S01E13 Join a Club Thing! S01E14 Have the Best Halloween Ever Thing! S01E15 Get the Most Out of a Sick Day Thing! S01E16 Sit at a Different Lunch Table Thing! S01E17 Survive the Virus Attack Trapped in the Last Home Base Station on Earth Thing! S01E18 Run for Office Thing! S01E19 Always Tell the Truth (But Not Always) Thing! S01E20 Become a Millionaire and Give It All Away Thing! S01E21 Leave Your Mark Thing! S01E22 Meet Your Idol Thing! S01E23 Master a Thing Thing! S01E24 Raise Your Hand Thing! S01E25 Get Your Heart Pre-Broken Thing!