Callback
→ The Doctor’s Legacy for Sabetha
Callback
→ Barbara destroys the Morphos' control
Callback
→ Barbara’s Resistance and Desperate Flight
Causal
→ Yartek secures final micro-keys
Causal
→ Morphoton’s Illusion and Barbara’s Resistance
Causal
→ Barbara’s Resistance and Desperate Flight
Character Continuity
→ Morphoton’s Illusion and Barbara’s Resistance
Character Continuity
→ Susan secretly defies the Doctor
Escalation
→ Barbara destroys the Morphos' control
Escalation
→ Susan secretly defies the Doctor
Escalation
→ Ian Forces the Doctor to Act
Escalation
→ Yartek’s reckless activation triggers explosion
Narratively Follows
→ Yartek’s reckless activation triggers explosion
Thematic Parallel
→ Yartek secures final micro-keys
Thematic Parallel
→ Barbara probes Sabetha’s fragmented memories
Thematic Parallel
→ Yartek’s reckless activation triggers explosion
Callback
← Arbitan’s Blackmail and the Teleportation Trap
Callback
← Arbitan traps crew with force field …
Causal
← Ian Forces the Doctor to Act
Causal
← Arbitan’s Assassination and the Crew’s Forced …
Character Continuity
← Arbitan’s Assassination and the Crew’s Forced …
Character Continuity
← Susan’s attack and Barbara’s fear of …
Character Continuity
← Arbitan’s Blackmail and the Teleportation Trap
Character Continuity
← TARDIS locked by Arbitan’s blackmail
Character Continuity
← Arbitan traps crew with force field …
Emotional Echo
← TARDIS locked by Arbitan’s blackmail
Escalation
← Arbitan’s Blackmail and the Teleportation Trap
Escalation
← Acid sea revealed and frogman discovery
Escalation
← Ian detects a hidden threat dismissed
Foreshadowing
← Arbitan’s Blackmail and the Teleportation Trap
Narratively Follows
← Ian rescues Arbitan from Voord attack
Thematic Parallel
← Arbitan’s Blackmail and the Teleportation Trap
Thematic Parallel
← Arbitan traps crew with force field …
Thematic Parallel
← TARDIS locked by Arbitan’s blackmail