Purgatory (S04E05)

Gaz is struggling with guilt over his night with Janet but manages to keep it a secret from Donna. However, in a moment of weakness, Janet inadvertently reveals the truth to her. Despite the revelation, the two women find it in their hearts to forgive one another, even though Donna remains unaware of the full details. With Louise's graduation approaching, Kate proposes throwing a party at Janet's place. Meanwhile, when Jonny swings by to drop off an item, he and Janet come to the realization that they still have feelings for each other, leading to an unexpected kiss.