Callback
→ Brigadier revives UNIT at Henlow Downs
Callback
→ UNIT scrambles for missile counterattack
Callback
→ UNIT's Operational Fractures and Doctor's Isolation
Callback
→ Radar Blind Spot Exposes Invasion Risk
Causal
→ Zoe calculates the Cyber-fleet’s destruction
Causal
→ Doctor scrambles for depolarizer components
Causal
→ UNIT scrambles for missile counterattack
Causal
→ Doctor proposes sewer infiltration
Character Continuity
→ Doctor exposes Vaughn’s fatal overconfidence
Character Continuity
→ Doctor proposes sewer infiltration
Escalation
→ Fifth Doctor and Master face Cybermen …
Escalation
→ Brigadier authorizes emergency helicopter extraction
Escalation
→ Zoe’s Calculations Trigger Cyber-Fleet Annihilation
Narratively Follows
→ Doctor proposes sewer infiltration
Narratively Follows
→ Doctor initiates covert UNIT contact
Thematic Parallel
→ Master betrays Doctor to Cybermen ambush
Thematic Parallel
→ UNIT's Operational Fractures and Doctor's Isolation
Thematic Parallel
→ Doctor proposes sewer infiltration
Thematic Parallel
→ UNIT scrambles for missile counterattack
Callback
← Vaughn dismisses Gregory’s failure
Callback
← Vaughn Tests the Cerebraton’s Power
Character Continuity
← Doctor dismantles Vaughn’s Cyberman control delusion
Character Continuity
← Vaughn Tests the Cerebraton’s Power
Character Continuity
← Zoe proposes depolarizer countermeasures
Foreshadowing
← UNIT’s Grenade Ambush Fails Against Cybermen
Thematic Parallel
← Vaughn Tests the Cerebraton’s Power