Walker Scobell, Leah Sava’ Jeffries and Daniel Diemer chat with ET about ‘Percy Jackson and the Olympians’ season 2 before it hits Disney+ on Dec. 10. The cast shares how their lives have mirrored their characters’ journeys in season 2 and explain how this season differs from the novel while still honoring the source material. Walker describes struggling to keep a straight face while filming with Kate McKinnon in season 3 and shares how he hopes OG Percy, Logan Lerman, could return to the franchise.