Anybody Seen Alan?

S1 E11: Pip and friends are playing in the playground, with young Alan enjoying the see saw so much he won't try anything else! When the gull's drop something heavy on the opposite end of the sea saw Alan is catapulted out of the playground and into a spectacular adventure involving trains, hammocks and a trip to sea! He's a hard penguin to track down! Pip leads the rescue mission! Why is it always Alan?!