The Australian terrorist was jailed for life without parole over the 15 March attacks.
The documentary started screening with no warning and a seven years-plus rating.
Some mosque shooting victims want Australia to pick up the bill for incarcerating the Christchurch mosque terrorist.
"This designation ensures the offender cannot be involved in the financing of terrorism in the future."
"You can never replace those lives or never replace the damage done to the families of the victims."
The mass murderer gets two hours of Home and Garden a day.
As it stands, life in this case does mean life, writes Chris Gledhill.
Tarrant will spend 23 hours each day in a cell.
"I watched my brothers and sisters go in and read their statements and it gave me courage."