Causal
→ TARDIS locked by Arbitan’s blackmail
Character Continuity
→ Ian Forces the Doctor to Act
Character Continuity
→ Ian’s Distrust and Barbara’s Resistance
Character Continuity
→ The Doctor reveals Altos’s mission and …
Character Continuity
→ Arbitan traps crew with force field …
Character Continuity
→ Susan secretly defies the Doctor
Foreshadowing
→ Ian Forces the Doctor to Act
Narratively Follows
→ Ian Forces the Doctor to Act
Narratively Follows
→ Susan secretly defies the Doctor
Thematic Parallel
→ Barbara Sees the Truth Alone
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
← Arbitan’s Assassination and the Crew’s Forced …
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