This is an idea for season 7.
Gumball and Darwin realize that their "Parents and their sister" will go at the mall, so "Gumball" invited "Penny" over and his girlfriend send babysitters to watch all 3 of them. Realize their babysitters want 3 of them clean the whole house, they accidentaly broke everything, umball loses his mind that a chainsaw could do. Penny told gumball to not cut the couch *IN HALF*, but gumball did, And gumball got his mind back and saw the couch itself. And The owner and landlord of the house, and they got evicted.