It's not, sadly, your best chance is looking at it on demand under cutting edge section.
Case Closed was on the CartoonNetwork Channel, but they took it off last I heard. I do know that they have 19 Seasons of Case Closed along with 13 Case Closed Movies. (check for Case Closed on wikianswers an you'll find it).
CNN on comcast is on channel 25
ComCast doesn't have outdoor channel
channel 67 on Comcast
HLN is channel 58 on comcast
The HD channel for Disney Channel on comcast is 244
Glee is on channel 6 WZTV for Comcast.
what channel is espn3 in chicago comcast
HLN is channel 58 on comcast
Comcast Miami - Channel 103
Channel 71
If You Have Comcast Its On 249 That's The New Channel