Accidently set to record all movies - how to clear

[Arlo]

Somehow I started getting a huge number of failed timer emails. Tracing it down I found that it was trying to record all movies. This was possibly my fault as I had done a search on the keyword "movie" and maybe something went wrong form there.

I have managed to delete the favourite from the icetv site and clear pending timers from the beyondwiz box. However, the "my week" section still lists every movie on every channel for the next week. This list is periodically uploaded to my dvr.
I can deleted them one at a time from My Week but it taking forever.

Is there any way to delete them all?