The song is sung by Bea and Jocktopus after Jocktopus explains he can't make "potato magic" for Jocktopapa. ("Fish School Musical")
Bea: You've got your dreams.
Big ones it seems.
You and I just the same
But Dream Train's gonna take us so far.
Further than a ride in an old dream car.
Jocktopus: Let me on that Dream Train.
I, too, have a dream.
Got to sing and be a part of this.
This crazy thing.
Both: Dream Train's gonna take us so far.
Now you're gonna see me for who I are.
You and I share wishes,
The hopes and dreams of all the fishes,
riding on the Dream Train,
You're gonna be a star.
Dream's Train gonna take us so far,
Riding on the Dream Train you're gonna...
The Great Potato's Song