Yes, there are several sushi bars in Worcester that offer an all-you-can-eat option. Here are a few examples:

1. Sushi Joy: Located at 108 Highland St, Sushi Joy is known for its all-you-can-eat sushi buffet. They offer a wide variety of sushi rolls, nigiri, and sashimi options. The buffet also includes appetizers like miso soup and edamame. You can find more information on their website.
2. Oishi Japanese Cuisine: Situated at 94 Highland St, Oishi Japanese Cuisine is another popular sushi bar in Worcester that offers an all-you-can-eat menu. They have a diverse selection of sushi rolls, as well as other Japanese dishes like tempura and teriyaki. Visit their website for more details.
3. Kenichi Asian Bistro: Located at 270 Shrewsbury St, Kenichi Asian Bistro is a fusion restaurant that also offers an all-you-can-eat sushi option. In addition to sushi, they serve a variety of Asian dishes, including Thai and Chinese cuisine. You can find more information on their website.

It's always a good idea to check their websites or call ahead to confirm the availability of the all-you-can-eat option, as some restaurants may have specific days or times for this offering.

References:

• Sushi Joy - Official Website
• Oishi Japanese Cuisine - Official Website
• Kenichi Asian Bistro - Official Website