Episode 128 of "Will and Grace"
s06e06 Heart Like a Wheelchair

Continuing his new role as caretaker for a disabled Marilyn, a resentful Will takes his wheelchair-bound mother for an afternoon roll in the park and bumps into an attractive bachelor Tom wheeling an invalid of his own. Using his mother as a reason for a daily rendezvous in the park, Will attempts to build up the courage to ask Tom out. Elsewhere, Karen continues her lifelong quest to hunt down hubby-stealing Lorraine tracking her to a room at the Peninsula hotel only to discover occupant to be her father Lester.