 It s the day of the Outward Bound course for Grange Hill s N2. Mr. Baxter s not fond of the Outward Bound s instructions to use first names, and he and Miss Mooney are even more horrified to learn that they have to participate in the activities. Athletic Fay is immediately in her element, but Roly struggles on the first wall-climbing exercise. When it comes to the underground tunnel, he finds a shortcut and fakes his trip by covering himself with dirt. Roland gets lost, and gets chased by some cows! He meets with the farmer who owns them, and gets some unofficial lessons in practical agriculture and Welsh. He is intercepted on his return by Mr. Baxter, who is surprised by his sudden knowledge of cattle breeds. Diane gets more grief about her spots, and becomes increasingly withdrawn. In the boys  dormitory, a bucket of water is fixed over the door to catch Mr. Baxter...