Here are a list of spoilers for next episode 3.22 "TURN AND FACE THE STRANGER"
I got this list from link.
1) We will learn more about the Petrelli Family history and the episode will lead into the Angela-centric Episode 3x23 1961
2) We will also learn more about The Hunter's past
3) Hiro, Ando and Matt will return
4) Matt and The Hunter will go head to head.
5) We will see more scenes with Matt Jr. this season and next
6) Nathan and Sylar will meet in the Season Finale
I got this list from link.
1) We will learn more about the Petrelli Family history and the episode will lead into the Angela-centric Episode 3x23 1961
2) We will also learn more about The Hunter's past
3) Hiro, Ando and Matt will return
4) Matt and The Hunter will go head to head.
5) We will see more scenes with Matt Jr. this season and next
6) Nathan and Sylar will meet in the Season Finale