This is the walkthrough for the quest – The Biggest, Fattest Loser Pt. 5:
You need Peter free as he starts the quest!
What you need to do:
Cook Vegetables with Peter (EARNS: $50, XP30, DURATION: 4 hours)
Punch the Ground with Tweaked Out Peter (EARNS: $150, XP100, DURATION: 24 hours)
What you earn when completed:
$225 and XP150
FamilyGuyTips 