Tokyo Oktoberfest in Odaiba. A refundable ¥1,000 deposit is required for the beer glasses. The event runs from 4pm until 10pm on weekdays and from 11am to 10pm at the weekends.
Event details are taken from official sources whenever possible. It is always prudent to check the official event website before attending to make sure that there have not been any changes. If you know of an error in the calendar, then please let me know through the contact form.