Callback
→ Polo interrogates the TARDIS's impossible nature
Character Continuity
→ Susan reveals TARDIS key location to …
Character Continuity
→ TARDIS Systems Fail in the Himalayas
Character Continuity
→ Barbara’s encounter forces Ian’s retreat
Character Continuity
→ Polo interrogates the TARDIS's impossible nature
Character Continuity
→ Tegana manipulates Polo against the travelers
Character Continuity
→ Ping-Cho reveals her arranged marriage
Character Continuity
→ TARDIS failure and mountain threat revealed
Character Continuity
→ TARDIS systems fail; Ian and Barbara …
Character Continuity
→ Polo defers interrogation for hospitality
Escalation
→ Polo seizes the TARDIS under Tegana’s …
Escalation
→ Polo reveals their stranded location
Foreshadowing
→ Susan discovers the giant footprint
Narratively Follows
→ Playful tension shattered by scanner alert
Thematic Parallel
→ Polo interrogates the TARDIS's impossible nature
Thematic Parallel
→ Polo reveals their stranded location
Thematic Parallel
→ TARDIS failure and mountain threat revealed
Callback
← Ian saves Barbara from electrocution
Causal
← Tegana orders TARDIS ambush for Noghai
Causal
← Tegana’s chess metaphor exposes the group’s …
Causal
← Tegana volunteers for the oasis mission
Causal
← Barbara’s eavesdropping exposes the plot
Causal
← Doctor quietly defies Polo’s order
Causal
← Tegana seizes the TARDIS through manipulation
Causal
← Ian saves Barbara from electrocution
Character Continuity
← Tegana’s Inconsistent Alibi and Polo’s Blind …
Escalation
← Doctor apologizes to Barbara
Escalation
← Barbara’s eavesdropping exposes the plot
Escalation
← Tegana’s chess metaphor exposes the group’s …
Escalation
← Tegana tests Marco’s discipline and sabotages …
Foreshadowing
← Barbara’s eavesdropping exposes the plot
Narratively Follows
← Barbara’s eavesdropping exposes the plot
Thematic Parallel
← Doctor accuses companions of sabotage
Thematic Parallel
← Tegana’s chess metaphor exposes the group’s …
Thematic Parallel
← Barbara’s eavesdropping exposes the plot