Isabella: I'm just the curious girl 'cross the way Every day I come over and here's what I say...
Whatcha doin', whatcha doin' What's the day's activity Whatcha doin', whatcha doin' By any chance, could it include me? Whatcha doin', whatcha doin' Fireside Girls: (Whatcha doin') Isabella and Fireside Girls: I don't mean to disturb Isabella: Whatcha doin', whatcha doin' Fireside Girls: (Whatcha doin') Isabella and Fireside Girls: You know it's not really directed at Ferb When I say-ay-ay-ay-ay What'cha doin'?
Isabella: Don't you know, Phineas? You have no idea That every day I'm just dyin' to see ya... And say...
Isabella: Whatcha doin', whatcha doin' Fireside Girls: (Whatcha doin') Isabella and Fireside Girls: I really wanna know Isabella: Whatcha doin', whatcha doin' Fireside Girls: (Whatcha doin') Isabella: Can I be part of the show Isabella and Fireside Girls: When I say-ay-ay-ay-ay Whatcha doin'?