'Shameless' Sneak Peek: Ian Reveals His Sexual History to Caleb

Ian reveals his sexual history to Caleb.

Ian (Cameron Monaghan) reveals his sexual history to Caleb (Jeff Pierre), and is surprised by his reaction in a brand new episode of Shameless, airing Sunday, March 20 at 9 p.m. ET/PT on Showtime.

In the episode, titled “Paradise Lost," Sean (Dermot Mulroney) officially moves into the Gallagher house as Fiona (Emmy Rossum), intent on getting her marriage right this time, sets out to plan a traditional wedding, bachelorette party included.

Elsewhere, Kev (Steve Howey) is still not happy about V (Shanola Hampton) and Svetlana’s (Isidora Goreshter) pending green card marriage and tries to find a way around it by paying to get her a new identity. While he is off getting scammed, the girls take matters into their own hands.

Watch two sneak peek videos below:

'Shameless' Sneak Peek: Ian and Caleb Grow Closer

Ian and Caleb grow closer

Ian (Cameron Monaghan) and Caleb (Jeff Pierre) grow closer in this week's new episode of Shameless, airing Sunday, March 6 at 9 p.m. ET/PT on Showtime.

In the episode, titled "Be A Good Boy. Come For Grandma," Ian meets Caleb's friends, and later they both reveal secrets that they have been keeping from each other.

Meanwhile, Fiona (Emmy Rossum), now living with Sean (Dermot Mulroney), attempts to get his son, Will, to like her. He slowly starts to come around, but when Will snags a gun from Carl (Ethan Cutkosky) at the Gallagher house, Sean catches him and is furious with Fiona, worried he’ll lose custody.

Watch a sneak peek below