Callback
→ The Doctor reveals Altos’s mission and …
Callback
→ Barbara probes Sabetha’s fragmented memories
Callback
→ Morphoton’s Illusion and Barbara’s Resistance
Causal
→ Yartek secures final micro-keys
Causal
→ Ian Forces the Doctor to Act
Causal
→ Barbara Resists Mind Control
Causal
→ Susan secretly defies the Doctor
Causal
→ Barbara’s Vanishing Triggers the Chase
Character Continuity
→ Barbara probes Sabetha’s fragmented memories
Character Continuity
→ Morphoton’s Illusion and Barbara’s Resistance
Character Continuity
→ The Doctor’s Legacy for Sabetha
Character Continuity
→ Susan secretly defies the Doctor
Escalation
→ Yartek’s reckless activation triggers explosion
Escalation
→ Arbitan’s Assassination and the Crew’s Forced …
Escalation
→ Barbara’s Resistance and Desperate Flight
Foreshadowing
→ Yartek’s reckless activation triggers explosion
Foreshadowing
→ Morpho orders Barbara’s destruction
Foreshadowing
→ Morphoton’s Illusion and Barbara’s Resistance
Thematic Parallel
→ Barbara Resists Mind Control
Thematic Parallel
→ Morphoton’s Illusion and Barbara’s Resistance
Thematic Parallel
→ The Doctor reveals Altos’s mission and …
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
← Acid sea revealed and frogman discovery
Escalation
← Ian detects a hidden threat dismissed
Foreshadowing
← Arbitan’s Blackmail and the Teleportation Trap
Narratively Follows
← Arbitan’s Assassination and the Crew’s Forced …
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