noun
unlimited viewing; watch as much as one likes
Used for services or situations where you can watch videos, movies, etc., without limit, often for a fixed period or fee.
この動画配信サービスは月額1000円で見放題です。
This video streaming service offers unlimited viewing for 1000 yen a month.
映画が見放題のプランに加入した。
I signed up for a plan with unlimited movie watching.
飲み放題 means 'all-you-can-drink', while 見放題 is specifically for watching.
Compound of 見 (mi, 'see') + 放題 (hōdai, 'as much as one likes'). The 放題 suffix is productive for 'all-you-can-X' expressions.