The end of term is fast approaching; The school is trashed after the Christmas party; Bob is getting married in the playground.
While trying to find an excuse to get out of Bob's stag night, Ben is reminded of a ouija board prediction.
After announcing that he doesn't need a girlfriend, Damien falls for Anna, the substitute teacher; An unfortunate incident with a pupil and an icing bag has rendered Damien impotent.
After discovering that Penny's real surname is Eichmann, the others take great pleasure in winding her up.
During religious tolerance week Bob finally takes delivery of his new wife; The teachers prepare to represent their allocated religions for the tolerance fair.
During Obesity Awareness Month Ben becomes obsessed with Lindsay's weight; He is worried that her death would be bad for his own stress levels.
Ewan is thrown into turmoil when he finds out that a male pupil likes him; His attempts to handle the situation sensitively backfire.
Penny makes a pass at Ewan, but it all ends in humiliation; Penny annoys everyone with news that she has a new admirer.
Summerdown has merged with another school in the area and Bob has some big life changes to adjust to.