Talk about daddy issues!

Obviously something has happened in the past, which is quite mysterious to us, Miller tells EW.

Sherlock mistrusts the man and dislikes everything really that he stands for.

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Credit: Jeff Neira/CBS

Sherlocks just trying to get it back together again, Miller says.

Hes not happy that his dad is coming.

Obviously he doesnt like him.

Hes really just getting on with the day-to-day business of trying to get his sobriety back on track.

Theres just too much water under the bridge with them, he continues.

There must be a reason, as far as Sherlock is concerned.

Check out an exclusive sneak peek at Morlands arrival below:

Elementaryreturns Thursday at 10 p.m.