Steve Martin and Selena Gomez reunite in this 'SNL' ode to inventors

Only Murders in the Building fans got an unexpected treat on Saturday.

Selena Gomez was joined in a sketch by OMITB co-star Steve Martin during her debut as a Saturday Night Live host. The legendary comedian, whose list of bonafides is too long to list here (but includes tons of SNL appearances), popped up in a pre-taped,...