Use the timeline below to select up to 20 seconds to watch or share.
3.12sKids, go ride bikes for a while, huh?
2.13sYeah, you heard your mother.
1.27sWe can't jump this ditch.
1.33sSure we can.
1.22sBut let me go first.
1.83sEveryone knows you're the future of this family.
1.57sThat's not true, Bart.
1.97sMom and Dad value us equally and...
2.43sAh, you're right. Okay, go ahead.
4.02s(WHIMPERS) Just forget everything you know about gravity.
2sBut I know so much about it.
1.12sJust do it!