It looks like sunday late afternoon/evening is mainly season 6, monday is season 7. (Times should be EDT, I believe)
The schedule from tv-now.com:
CSI: Crime Scene Investigation
Lady Heather's Box
Two murders are connected to a dominatrix who has an affinity for Grissom; Catherine's ex-husband vanishes. Melinda Clarke. 90 minutes- TV-14, USA, 2003, (CC), Stereo, D,L,S,V
Sun Sep 2 03:30P on Spike TV
Sun Sep 2 11:30P on Spike TV
- - -
CSI: Crime Scene Investigation
Gum Drops
A family of four is believed to have been murdered in their home where three pools of blood are discovered, but no bodies. 60 minutes- TV-14, USA, 2005, (CC), Stereo, V
Sun Sep 2 05:00P on Spike TV
Mon Sep 3 01:00A on Spike TV
- - -
CSI: Crime Scene Investigation
Secrets and Flies
A single mom is murdered in her home; Grissom tries to refute testimony in a murder trial given by an expert entomologist. 60 minutes- TV-14, USA, 2005, (CC), Stereo, D,L,V
Sun Sep 2 06:00P on Spike TV
Mon Sep 3 02:00A on Spike TV
- - -
CSI: Crime Scene Investigation
Dog Eat Dog
An obese man is found dead in a Dumpster on Thanksgiving; a husband and wife die in their home after apparently being attacked by a dog. 60 minutes- TV-14, USA, 2005, (CC), Stereo, V
Sun Sep 2 07:00P on Spike TV
Mon Sep 3 03:00A on Spike TV
- - -
CSI: Crime Scene Investigation
Still Life
A 6-year-old boy is kidnapped from a park where he was playing; Nick is visited by Kelly Gordon, the daughter of the man who abducted him and buried him alive. 60 minutes- TV-PG, USA, 2005, (CC), Stereo
Sun Sep 2 08:00P on Spike TV
- - -
CSI: Crime Scene Investigation
Toe Tags
Five corpses tell their bloody tales to each other in the coroner's office cooler. Their stories include a hiker missing a brain, two men killed with chainsaws, a marine stabbed to death and a nude body found in a hotel's service elevator. 60 minutes- TV-14, USA, 2006, (CC), Stereo, L,V
Mon Sep 3 09:00A on Spike TV
Mon Sep 3 02:00P on Spike TV
- - -
CSI: Crime Scene Investigation
Fannysmackin'
Two people are viciously beaten, one of them fatally, just five blocks apart in a shady part of town. As the CSIs investigate, more beatings are reported nearby and Greg witnesses one. His decision to intervene leads to extreme consequences. 60 minutes- TV-14, USA, 2006, (CC), Stereo, L,V
Mon Sep 3 10:00A on Spike TV
Mon Sep 3 03:00P on Spike TV
- - -
CSI: Crime Scene Investigation
Double-Cross
A woman is found crucified on a makeshift cross in a Catholic church that's being renovated in a run-down part of town. 60 minutes- TV-14, USA, 2006, (CC), Stereo, L,V
Mon Sep 3 11:00A on Spike TV
Mon Sep 3 04:00P on Spike TV
- - -
CSI: Crime Scene Investigation
Burn Out
Two boys are reported missing and a pedophile is suspected after his house is set on fire, apparently by a local seeking revenge. 60 minutes- TV-14, USA, 2006, (CC), Stereo, L,V
Mon Sep 3 12:00P on Spike TV
Mon Sep 3 05:00P on Spike TV
- - -
CSI: Crime Scene Investigation
Post Mortem
A cancer patient is murdered in her home and the killer returns to leave a package containing a miniature exact replica of the crime scene; Greg testifies at an inquest to determine his culpability in the death of a teen he accidentally killed. 60 minutes- TV-14, USA, 2006, (CC), Stereo, V
Mon Sep 3 01:00P on Spike TV
Mon Sep 3 06:00P on Spike TV
