It's Underwear Season

In the summer, trumpet-playing, what passes for dancing, and most other activities, are pants-optional. (I know, the dancing is not very interesting, but the accidental synchronous dancing just before the modulation is cute.)

Alex and Ben Go Camping

Making Faces

Grumpy Alex

Sad Ben

Mad Ben

Excited Ben ("Think of Christmas morning")

Cross Ben*

Mad (Disgusted?) Alex

*anachronistic British emotional vocabulary courtesy of Thomas the Tank Engine stories