Season 1:

Nikita:
Wallclock In the White Room

Mother:
Wallclock In the Shelter

Escape:
Wallclock In Nikita's Apartment

Gray:
WallClock outside a building

Choice:
Microwave time clock

Rescue:
Wallclock in Petrosian's Office
Wallclock Angie's House

Gambit:
Wallclock Inside the Elegra Building

Obsessed:
Alarm Clock In Lisa's Bedroom

Missing:
Wallclock at Safe House

Brainwash:
Alarm Clock in Nikita's Bedroom


Season 2:

Psychic Pilgrim:
Alarm Clock in Micheal and Nikita's Bedroom

Not Was:
Wallclock Inside Perez's Building

Season 3:

Someone Else's Shadow:
Wallclock At Post Office

Love And Country:
Wallclock at Markali's house

Season 4:

Man In The Middle:
Clock on a mantle at Helmet's house

Love Honor Cherish:
Clock on a mantle at Helmets house, also in the bedroom

Toys In The Basement:
Wallclock In the Office Of Braemar Industries


Season 5:

A Girl who Was not there:
Clock On Mantle

A Time For Every Purpose:
Wallclock at Railway Station