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The Simpsons: Season15 | Episode13
Smart and Smarter
When Maggie does better than Lisa on an IQ test, Lisa becomes upset over no longer being the smart one and tries to lead Maggie astray.
S15 - E1Treehouse of Horror XIV Nov. 02, 2003
S15 - E2My Mother the Carjacker Nov. 09, 2003
S15 - E3The President Wore Pearls Nov. 16, 2003
S15 - E4The Regina Monologues Nov. 23, 2003
S15 - E5The Fat and the Furriest Nov. 30, 2003
S15 - E6Today I Am a Clown Dec. 07, 2003
S15 - E7'Tis the Fifteenth Season Dec. 14, 2003
S15 - E8
S15 - E9I, (Annoyed Grunt)-Bot Jan. 11, 2004
S15 - E10Diatribe of a Mad Housewife Jan. 25, 2004
S15 - E11Margical History Tour Feb. 08, 2004
S15 - E12Milhouse Doesn't Live Here Anymore Feb. 15, 2004
S15 - E13Smart and Smarter Feb. 22, 2004
S15 - E14The Ziff Who Came to Dinner Mar. 14, 2004
S15 - E15Co-Dependent's Day Mar. 21, 2004
S15 - E16The Wandering Juvie Mar. 28, 2004
S15 - E17My Big Fat Geek Wedding Apr. 18, 2004
S15 - E18Catch 'Em If You Can Apr. 25, 2004
S15 - E19Simple Simpson May. 02, 2004
S15 - E20The Way We Weren't May. 09, 2004
S15 - E21Bart-Mangled Banner May. 16, 2004
S15 - E22Fraudcast News May. 23, 2004