All of Phineas and Ferb's baby moments 

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"Little Brothers" is a song sung by Stacy Hirano in the episode, "Phineas and Ferb Get Busted!". In this song, Stacy sings to Candace about her times with Phineas and Ferb during her life
Lyrics
Little brother,
I remember when you first came home
Then came another
Little brother of our own.
Even when you break my toys,
You will always be my
Little brothers
'Cause you're younger, we're related, and you're boys
Even when you're making too much noise
You will always be my
Little brothers
'Cause you're younger, we're related, and you're boys
Little brothers
Little brothers
Little brothers.....
lyrics credits: phineasandferb.....
Suggested by Disney Enterprises Inc
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Great to Be a Baby is a song featured in the latest episode,"Agent Doof" while Phineas and Ferb are babies after they were zapped by Dr. Doofenshmirtz's "Babe-inator" leaving Candace to look after them. Sung by Danny Jacob.
Suggested by Disney Enterprises Inc
Get Phineas and Ferb on Google Play and iTunes | Disney XD