It's Valentine's Day and "The Class" ends up snowed in at each other's houses. Already from this synopsis you can realize that the episode is going to be great.
Kat and Benjamin's relationship ends and it's great to see how Kat is coping with it. Ethan and Palmer are obsessed with sex, and Kyle fits in the whole story Ethan/Kat story just perfectly. Richie does his best to reach Lina because he doesn't want to spend Valentine's Day without her. And if you know Richie, then you should know that nothing goes without trouble. Yet another batch of great scenes.
And finally, the drama surrounds the Allen household too. Nicole finds out why Duncan broke up with her all those years ago, and Perry is snowed in with them. And if you know Perry, then you know that another batch of amazing jokes are there. All in all, it was yet another great installment. An amazing show combined with both comedy and drama.