Tuesday night was the premiere of 90210 and the entire cast was back, and this includes a shirtless Teddy (Trevor Donovan), who was rumored to have been leaving the show.
Naomi’s pregnancy turns out to be a false alarm and she decides to have a party to help her get her mind off of it.
Navid and Silver move in together after Navid’s mom moves to Switzerland and somehow his sister ends up living with the two, which is the least bit cozy.
As for all those juicy plot twists at the end of last season, well in the fourth season they seem all be gone and they are pretty much starting from scratch. Annie loses her inheritance and instead of Carnegie Mellon, she needs to stay at California University for a year.
Liam is back proposes! And not only once, but twice!
After Annie rejects him both times, he starts drinking at a beach bar and ends up buying the place (our new Peach Pit??).
Adrianna is back and showing up at Silver’s apartment and Naomi’s 
party, trying to get Silver to forgive her. After being yelled at by Silver, (how could you blame her) Adrianna confides in Austin (Dixon’s new roommate and Naomi’s new nemesis) and they are next shown the morning after.
The episode was titled Up In Smoke, I won’t ruin anything you definitely find out the reason for this title at the end.
Philaburban Mom 