OMG anyone of past housemates could go back in for this timebomb theme the worst could be

Pauline
Steven
Alexandra
Mario
Sezer
Craig Coates
Makosi
Maxwell
Anton
Aaron
Charley
Conor
Daley

Gina
Dexter
Ashleigh.
Danielle

Hopefully we can see Gina & Dexter go back in.