Rachel heads down to the beach to try and convince Adam to return to the shoot and later the crew watches footage of Rachel's freakout from the previous season in episode 1x01 "Return".
From episode 1x01 "Return". From episode 2x01 "War".
From episode 1x04 "Wife".
The show heads to England to meet Adam's aunt and to host his proposal and live wedding episode in episode 1x10 "Future".
Rachel heads to the university to convince Ruby to join the show in episode 2x01 "War".