Lena Dunham stars in the season four trailer for her HBO show Girls. The TV show is a comedy about a group of women in their 20s and the type of situations they experience. There is Marnie an assistant at an art gallery, Hannah (Dunham) an aspiring writer and Jessa and Shoshanna who are cousins. Filming for the new season has been completed, the teaser shows Dunham’s character riding a bike through the park with hilarious results. Actor Adam Driver plays Hannah’s on-screen boyfriend Adam Sackler, with Desiree Akhavan and Peter Mark Kendall joining the cast. Dunham writes and directs the TV series. The new season will premiere at the start of 2015.