Gallery:Isabella and Phineas's relationship

Isabella Garcia-Shapiro has a huge crush on her neighbor and best friend Phineas Flynn. She has romantic daydreams about him and believes she will one day marry him ("Comet Kermillian", "Phineas and Ferb's Quantum Boogaloo", "Isabella and the Temple of Sap"). However, Phineas's feelings for Isabella are somewhat unclear, although his feelings seem to be going from oblivious to warm as days pass.

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