With Aaa seeming more dangerous each day, Gumball invests in a panic room complete with a locking mechanism that stays shut until the timer's up. In need of some alone time and three hours to kill, Gumball thinks he's settled in for the night. Too bad he didn't make sure he was alone before he locked the door. Gumlee. Lemon. Will change to M. Sexual themes/language. R&R.