In Lions at Lunchtime, the Magic Tree House whisks Jack and Annie to the vast plains of Africa. Before Jack can find out where the lions are, Annie starts to help hundreds of wildebeasts cross a rushing river. Next, they follow a honey of a bird and meet an awesome Masai warrior. Jack hopes any lions will just stay away. Jack is about to be very disappointed.

In Polar Bears Past Bedtime, it's icicle city when the Magic Tree House carries Jack and Annie to the frozen Arctic. Luckily, a seal hunter on a dogsled lends them warm clothes. Unluckily, they get stuck on cracking ice. Will the giant polar bear save them? Or will Jack and Annie become frozen dinners?