Doctor Who (2005)

S10E02 Smile

In a world where emojis dominate communication, the Doctor brings Bill to a stunning city on a far-off planet. However, they quickly discover that the colonists are mysteriously missing. The truth lies with a group of seemingly adorable droids, who harbor a sinister secret. The duo must unravel the mystery before it's too late, as the droids' true intentions become alarmingly clear.