This eventually leads to him and Francine having their most intense sex ever ( Hot Tub of Love ) .
There , he learns that the hot tub can talk , tempting Stan into using it ( Dip a Toe ) .
This eventually leads to Stan and Francine having their most intense sex ever ( Hot Tub of Love ) .
There , he learns that the hot tub can talk , tempting Stan into using it ( Dip a Toe ) .