Online watching is available here. Sadly, these all are in Mandarin.

2012 On Call 36小時
Server 1: https://gimy.app/eps/129149-1-1.html
Server 2: https://gimy.app/eps/129149-2-1.html

2013 On Call 36小時II
Server 1: https://gimy.app/eps/129148-1-1.html
Server 2: https://gimy.app/eps/129148-2-1.html
Server 3: https://gimy.app/eps/129148-3-1.html


These are in Cantonese

2012 On Call 36小時
Server 1: https://www.100vdo.com/vod-play-id-121517-sid-1-pid-1.html
Server 2: https://www.100vdo.com/vod-play-id-121517-sid-2-pid-1.html

2013 On Call 36小時II
https://www.100vdo.com/vod-play-id-257435-sid-1-pid-1.html
(this one doesn't seem to work when I tested it)