Stewie needs help collecting Blimp parts. Could this be the first step in his secret master plan? What amazing things does he need the metal for?
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–Description from the Blimp Construction Site
The Time-Traveling Blimp is available to craft in the Downtown (even before you can start clearing it) after you complete Stewie's quest line: "Precious Metal". The quest will probably go on in district 11 named:Fine Arts District. The quest line of building the blimp is "Build-a-Blimp".
" Eat your heart out, GoodYear. Family Guy has this one. " - Wiki description