Doctor Who (2005) (2005)

S3E3 Gridlock

In the episode titled "Gridlock," the Doctor brings Martha to New Earth, set in a distant future. However, their visit quickly turns perilous as they discover that the bustling city has transformed into a lethal snare. As they navigate the chaos, they encounter various challenges and must uncover the truth behind the city's ominous situation, all while striving to escape the dangers that lurk within.