Use the timeline below to select up to 20 seconds to watch or share.
0.45sWhat are you talking about?
2.05sWell, I'll show ya.
2.12sFollow me.
2.27s
2.12sWow! Dad was a good speller?
2.69sOh, your dad used to be smart as a monkey.
2.44sThen his mind started gettin' lazy,
1.94sand now he's dumb as a chimp.
2.32s- Grampa!
- Hey, I am too.
3.82sYour brother's comin' along nicely. Look at Bart's homework.
2.92sBack when he was your age, he was smart as a chimp.
2.53sThis is just two years ago!
4.12sThat's right. Then the Simpson genes kicked in.
0.67s
3.02s
3.17sThis is crazy. just because you and Dad and Bart went downhill...
2.27sdoesn't mean it's gonna happen to me.
2s- Does it?
- Sure!
3.94sBut it doesn't mean you can't live a long and pointless life.
1.24s
1.93s
2.65s
2.22sDear Log: Can it be true?
3.39sDo all Simpsons go through a process of "dumbening"?