Charlie and Lola (2005)

S1E17 I'm Just Not Keen on Spiders

While brushing her teeth, Lola discovers a spider in the sink, which unsettles her since she's not fond of them. Charlie steps in to explain that many spiders are harmless and can actually be helpful. Before long, Lola becomes fond of the tiny creature, decides to name him Sidney, and keeps him as her pet. After they release Sidney outdoors, the weather takes a turn, leaving Lola anxious about the fate of her newfound friend.