Watch Classic Doctor Who: The Fourth Doctor S13:E03 - Terror of the Zygons (Pt. 3) - Free TV Shows | Tubi

Watch S13:E03 - Terror of the Zygons (Pt. 3)

S13:E03 - Terror of the Zygons (Pt. 3) poster

S13:E03 - Terror of the Zygons (Pt. 3)

Classic Doctor Who

Sci-Fi · 1975 · 26 min · 7 SeasonsTV-PG

The Doctor and Sarah find their way into the Zygon spaceship at the bottom of Loch Ness.

S13:E01

Loading

S13:E02

Loading

S13:E03 - Terror of the Zygons (Pt. 3)

S13:E03 - Terror of the Zygons (Pt. 3)

The Doctor and Sarah find their way into the Zygon spaceship at the bottom of Loch Ness.

S13:E04

Loading

S13:E05

Loading

S13:E06

Loading

S13:E07

Loading

S13:E08

Loading

S13:E09

Loading

S13:E10

Loading

S13:E11

Loading

S13:E12

Loading

S13:E13

Loading

S13:E14

Loading

S13:E15

Loading

S13:E16

Loading

S13:E17

Loading

S13:E18

Loading

S13:E19

Loading

S13:E20

Loading

S13:E21

Loading

S13:E22

Loading

S13:E23

Loading

S13:E24

Loading

S13:E25

Loading

S13:E26

Loading

Cast

Genres

Sci-Fi, Adventure, Drama

Subtitles

English

TV-PG

This program contains material that parents may find unsuitable for younger children.

Welcome to Tubi

Unlimited Movies, TV Shows, and Live News

Free Forever

No credit card required

Find the Unfindable

All your favorite titles and so much more

Better When You Register

Personalize your experience

S13:E03 - Terror of the Zygons (Pt. 3)

Copyright © 2026 Tubi, Inc.

Tubi is a registered trademark of Tubi, Inc.
All rights reserved.

Device ID: bd5623fa-eca4-4b60-bb0a-fa523e2455c8

Made with in San Francisco