Had my RC in October of 2008.
I was showering, standing up, after about 7 or 8 days. I had a complication (ileus) so I was in the hospital for 11 days and I probably would have been showering myself earlier if not for the complication.
Everyone is different so if your husband is not up for it at the time of discharge from the hospital, then you might want to pick up one of those shower chairs at the drug store.
Movies would be fine and can be in addition to walking which is VERY important. Don't over-do it on the walking but at least twice in the morning, twice in the afternoon, and twice in the evening. If going outside to walk, then don't go a long way. Just go out of the house, a short way in one direction, back past the house a short way in the other direction, rinse and repeat. Even walking up and down the driveway is good because it is always a short walk to get back inside.
Work on a good way of attaching the catheter bag to make it easier to walk. If you rig up something to hang it from the belt, be sure you use something long enough so that it stays low enough to work. Don't just let it drag behind.
For meals, small and frequent and nothing too crazy. I wouldn't go for the hot pepper dip and big steaks. Things easy to digest and easy on the system. Bowels do get angry after this surgery when they realize that somebody swiped a segment to get promoted to bladder duty. Not sure if the remaining bowels are jealous or just miss the segment removed, but they do make a fuss. Stool softeners are typically recommended.
The intestinges will have been sown or stapled back together so you don't want to overtax them with large quantities of food. Most likely, he won't feel like eating large quantities of food anyway.
Hope this helps!
Mike