WE | 10:00 pm

In the Season 12 finale, the first featured bride, dubbed SecretZilla, goes perilously off the rails, crashing her groom’s bachelor party and threatening the entire wedding. Her final surprise for her ceremony nevertheless still shocks everyone. In another segment, BratZilla battles MomZilla when her off-the-leash demands completely blow a hole in her budget, prompting her to go running to her father for help.