"Sanctum"SEASON PREMIERE – Still reeling after receiving Monty’s message, a small group goes down to explore the mysterious new planet. Back on the Mothership, several members of Wonkru face the consequences of their decisions. Eliza Taylor, Paige Turco, Bob Morley, Marie Avgeropoulos, Lindsey Morgan, Richard Harmon, Tasya Teles and Shannon Kook star. The episode was directed by Ed Fraiman and written by Jason Rothenberg (#601). Original airdate 4/30/2019.