Yap.Town

を見に行きませんか

would you like to go see…?

→ を
phrase Rare #34,461
would you like to go see…? A polite way to invite someone to go and see something. The thing being seen comes before を.
JA: 今週末、映画を見に行きませんか。
EN: Would you like to go see a movie this weekend?

その試合を見に行きませんか。

Would you like to go watch the game?