Marvel's Agents of S.H.I.E.L.D. premiered to a giant 4.7 adults 18-49 . The second episode fell to a 3.3. The third to a 2.8. Episode four only declined a tenth to a 2.7. Perhaps the show's ratings have stablilized. Tonight's only unusual competition comes from a special Tuesday episode of , which, given that show's performance so far this season, seems unlikely to have much of an impact on S.H.I.E.L.D. So how do you think the show will do tonight? Make your prediction!