For older children and youth
...consider using the short film titled, "Palm Sunday from http://palmsundayfilm.com/
It won the Telly Award for the "Best Short Religious Film" of 2012. It features two boys goofing off during Holy Week services, only to find themselves suddenly transported to Golgotha.
It's an interesting discussion starter. 5 minutes long. One boy seems to be "going along" and seems to "get it" more than the other.
Note: the film isn't really about Palm Sunday as it is titled, but rather, it's more about Good Friday.
Here's a YouTube version of it posted by the producer: