The Divide (BB3)
Not really a twist but Adele's eviction, first person to get heavily booed, shocked the HMs
(BB3)
The Bedsit/Fake Double Eviction resulting in Fight Night (BB5)
The Lies (BB telling the housemates that other HMS wre up for eviction, and then telling them to decide which one out of Makosi and Vanessa goes) (BB6)
Aisleyne moving into House Next Door (BB7)
Kidnapping of Amy and Anthony (BBCH)
Intruder enters the BB house, Russell Brand has to fake it and have a punchup with him hehe (BBCH)
Hell/Heaven Divide (BB9)