In Monday’s episode, Hiro and Ando rescued Mohinder from the mental hospital. While there, Ando used his powers to short-circuit Hiro back to normal and then the three of them transported themselves into Noah’s living room.

Samuel tracked down his long-lost love, Vanessa. He took her back to the carnival, against her will, promising to show her something “beautiful”.

Parkman tried to help HRG find Vanessa and, eventually, Samuel. This plan went all wrong though and Parkman was left back at home, cooking dinner for family and feeling useless. He felt like his fear was letting everyone down.

Peter took his mother’s dreaming power so he could see into the future and understand why she was so afraid of Emma. In his vision, he saw Emma killing thousands of people, with  her cello. Because of this vision, he went to Emma’s and destroyed her cello, which did not please her one bit.

As for Claire, she acts very strangely when HRG comes to visit her at school.  Sylar may have been in room, that’s one explanation for her behavior, since no explanation is really given.