Think Big! song

The "Think Big!" song (repurposed as the Think Really Big! and  Think Really Super Extra Big! song in the respective episodes "Tyler's Tall O'Meter", “Pinky's Awful Good Day”, and remade into the Listen Big! song in the episode "Big Blob of Talk") is a song in Pinky Dinky Doo, which is usually sung by Pinky, but in "Tyler to the Rescue", "Two Wheel Dreams", "Go to Bed, Tyler!", and the series finale "Tyler's Big Idea", Tyler sings it instead, in "Shrinky Pinky", Mr. Guinea Pig sings it instead the only time, in "Think Pink", Granny Dinky Doo sings it instead the only time, and in "Tyler Dinky Doo's Big Boo", the mad scientist sings it instead the only time.

Pinky, Tyler, Mr. Guinea Pig, or Granny Dinky Doo: Looks like it's time for me to think/listen [really super extra] big [idea]!

Most episodes
If I have a problem, don't know which way to go, I think and think and think and think, and suddenly I know! Come on, Pink, Think!

Think Pink
If I have a problem, don't know which way to go, I think and think and think and think, and suddenly I know! Come on, Granny Dinky Doo, Think!

Tyler to the Rescue, Two Wheel Dreams, Go to Bed, Tyler!, and Tyler's Big Idea
If I have a problem, don't know which way to go, I think and think and think and think, and suddenly I know! Come on, Tyler, Think!

Shrinky Pinky
If I have a problem, don't know which way to go, I think and think and think and think, and suddenly I know! Come on, pig, Think!

Pinky Thinky Doo
If you have a problem, don't know which way to go, You think and think and think and think, and suddenly you know! Come on, Pink, Think!

Big Blob of Talk
If I have a problem, don't know which way to go, I use my ears to listen, and suddenly I know! Listen, Pinky, Listen!

In the Dark
Pirates: If I have a problem, don't know which way to go, Pinky: I think and think and think and think, and suddenly I know! Pirates: Come on, Pink, Think!