10 Doctor Who Moments That Made You Say 'WTF Were They Thinking?!'

10. Thumb Sucking

Honestly, the whole of Orphan 55 could've been on this list (BENNNNIIIIIIII!!!), but for the sake of everyone's mental health, we've limited our selection to this questionable theme that bookended the episode.

While everyone else is running round saving the day after things kick off at Tranquility Spa, Ryan is hiding under a table... sucking his thumb. Which apparently stops hallucinations brought on by the Hopper virus. Ok then.

As luck would have it, he meets fellow thumb-sucker Bella, and the two "bond" over the course of the episode. Ryan is ultimately forced to leave Bella behind after she chooses to stay with her estranged mother and fight off the Dregs that have invaded the spa, which could have been a tender goodbye – had Bella not decided to signal it by shoving her thumb in her mouth.

It's a laughable attempt at forcing a meaningful emotional moment with some dramatic music and lingering close-ups. These characters have no real chemistry and they're both just stood there sucking their thumbs like a pair of babies during the big action climax.

"Misjudged" is an understatement.