"Another Path". Despite taking adventage of Lucy in her most vunerable moment, Paulo and Lucy both end up the better for it and come up happy in their new relationship.
Jessica and Rachel's friendship. The fact that Rachel still stayed friends with Jess despite the rumors that were spread by Tess.
After finally finding out the fate of his Mother in "Loose Ends", Abbey has a complete emotional breakdown at his mother's grave. Without a word, Daisy wraps her arms around him, and holds him while he cries, and wordlessly comforts him in the car on the way home. Doubles as a Tear Jerker.
"Scenic Route", where Tess, amongst the warm and fuzzy sensations of spending an entire day with her friends, planned the entire outing with the ulterior motive of helping Daisy and Abbey get back together.
In "Search and Rescue", when the group finds Mike unharmed, Sue glomps him and doesn't let of him for half the strip because she was that worried about him.