Complex sentence: In the episode, Spence first asks Lou Ferrigno to go to a sci-fi convention, but when Spence meets West (playing himself), he leaves Ferrigno and asks West to come with him.
Split into simpler sentences: In the episode, Spence first asks Lou Ferrigno to go to a sci-fi convention. But when Spence meets West (playing himself), he leaves Ferrigno and asks West to come with him.