These GIFs are called Time Travel and as you guessed the main theme is time travel. The main character Paul travles through time from the tower of pisa, to the Efil tower, then the American Revoloutiong to a Hippie party and home again. In the second GIF his sisiter Alyssa comes to see what he's doing and he takes her time traviling with him. Unfortunatly they get stuck in a time whole. In the third GIF Paul fixs the poket watch time machine and manages to take Alyssa and himself home. But like siblings Alyssa decideds to tell on her brother.