If you have multiple accounts, make sure you have the correct one picked.
Android TV: From the Home screen, go to Settings > Applications > Hulu > and choose Clear Data. Fire Stick and Fire TV: On the Home screen, go to Settings > Applications > Manage Installed Applications > Hulu. Then, choose both Clear Cache and Clear Data. Apple TV: There’s no option to clear your app cache, but you can achieve the same effect by uninstalling and reinstalling the Hulu app. Other smart TV models don’t offer a way to clear the Hulu app cache. [2] X Research source However, you can try going to your TV’s Home screen, opening your profile, and going to Settings > Accounts & Services > Hulu > Log Out.
You can stream Hulu on 2 screens at the same time unless you upgrade to Hulu’s Unlimited Screens add-on. [3] X Research source
If someone else has been using your account and you don’t want them to log back in, remember to change your password.