Defo a bad chain.

doctor uses the psychic paper to, uh, disguise himself as the doctor. how very clever.

The doctor is dressed as a doctor badum tss

The doctor, wearing a labcoat tells a small alien his diagnosis.

Eleven looks at an alien that suffers from tiny greeness

Eleven is looking at plankton with a confused/shocked expression. Plankton seems to be enjoying this.

Eleventh is teaching monocled-alien to accept the superiority of bowties. BOWTIES FOR THE BOWTIE KING!

Bow-ties are cool. The fez is also cool

graduate with the stars in his eyes