- Season 2 — Doctor Who

A celebrated romance through time involving clockwork droids.

The "Torchwood" arc, which leads to the creation of the spin-off series Torchwood . Key Episodes: Doctor Who - Season 2

The emotional finale where the Daleks and Cybermen go to war, leading to the heartbreaking permanent separation of the Doctor and Rose. A celebrated romance through time involving clockwork droids

Generally beloved for its high emotional stakes and Tennant's breakout performance. 2. The Fifteenth Doctor (2025) Doctor Who - Season 2

Features the return of classic companion Sarah Jane Smith and K9 .