It's not a named song. It was music composed for the episode by Walter Murphy.
Season 8 | Episode 13: "Go Stewie Go"
Season 4|Episode 9 Breaking Out is Hard to Do
season 2, episode 3 "da boom" where they all service Y2k and head to the twinkie factory. stewie is a squid in that episode.
Season 7, Episode 3: Road to Germany
Season 6 | Peter's Daughter
Season 6 Episode 5: Lois Kills Stewie
Season 8 | Episode 13: "Go Stewie Go"
Season 7 episode 7
Season 3.
'The Courtship Of Stewie's Father.' It is on the season 5 DVD
Season 4|Episode 9 Breaking Out is Hard to Do
season 2, episode 3 "da boom" where they all service Y2k and head to the twinkie factory. stewie is a squid in that episode.
Season 4|Episode 13 Jungle Love
Season 7, Episode 3: Road to Germany
Season 6 | Peter's Daughter
The Third Episode in Season One | Chitty Chitty Death Bang
Season 4|Episode 16 The Courtship of Stewie's Father