Complex sentence: There they find the crew of Victor-Foxtrot, blindly trying to remove the walls to a sealed chamber, Stepley and Hayter work on trying to free the others from the mental illusion while the Doctor heads to the heart of the Citadel and encounters Kalid.
Split into simpler sentences: There they find the crew of Victor-Foxtrot, blindly trying to remove the walls to a sealed chamber. Stapley and Hayter work on trying to free the others from the mental illusion while the Doctor heads to the heart of the Citadel and encounters Kalid.