Here are the top-ranked daily measured shows in Canada (for all persons 2+; all times ET), according to BBM, for April 1 to 7, 2013:

Monday: Castle on CTV at 10 p.m.: 1.83 million viewers.
Tuesday: The Voice on CTV at 8 p.m.: 1.88 million viewers.
Wednesday: C.S.I. on CTV at 10 p.m.: 2.02 million viewers.
Thursday: The Big Bang Theory on CTV at 8 p.m.: 3.64 million viewers.
Friday: Blue Bloods on CTV at 10 p.m.: 1.66 million viewers.
Saturday: HNIC Prime East on CBC at 7 p.m.: 2.04 million viewers.
Sunday: ACM Awards on CTV at 8 p.m.: 1.58 million viewers.

Here are the top-ranked weekly averaged measured shows in Canada (for all persons 2+; all times ET), according to BBM, for April 1 to 7, 2013:

1. CTV Evening News, weeknights on CTV at 6 p.m.: 1.68 million viewers.
2. The Big Bang Theory, weeknights on CTV at 7:30 p.m.: 1.39 million viewers.
3. CTV Evening News Weekend on CTV at 6 p.m.: 1.13 million viewers.
4. CTV National News, nightly on CTV at 11 p.m.:  1.11 million viewers.