As of this posting these are the 16 missing episodes:

The Twizzle
The Sleeping Brother
It's a Shame She Married Me
All About Eavesdropping
My Part-Time Wife
Scratch My Car And Die
October Eve
Dear Mrs Petrie, Your Husbands in Jail
My Neighbor's Husband's Other Life
I'd Rather Be Bald Than Have No Head at All
Teacher's Petrie
You Ought to Be in Pictures
Love Thy Other Neighbor
Long Night's Journey into Day
The Gunslinger
The Last Chapter