TV series example of the word

The Big Bang Theory Season 3, Episode 6
Week in and week out, from the time I was 5...

The Big Bang Theory Season 7, Episode 3
No, you weren't because it was a week ago

The Big Bang Theory Season 4, Episode 5
...my Mom arranged for her to visit a center three times a week...

The Big Bang Theory Season 5, Episode 17
I'd smack you with a glove, but just last week,

Westworld Season 2, Episode 6
It's almost been a week. How is there stuff