Rick goes to his private bathroom to find that someone else has used it. Rick discovers this finding a broken twig. He uses a some form of time laps/object recogntion scanner to analyze what or whom broke this twig (which would lead to the intruder) but match is unknown.
Rick and Morty
An animated series that follows the exploits of a super scientist and his not-so-bright grandson. Rick and Morty IMDB Wikipedia, retrieved January 15, 2020
Failing to detect who entered the premises from scanning the twig (refer to that situation) he enters an underground lab via a secret tree tunnel elevator. There he scans all the feces samples that has entered the toilet using a form of 3D scan but also it finds out what the feces used to be, which was a sandwich. He sees this on an AR screen. Now he has to find out who ate this sandwhich in order to find the intruder who used Rick`s secret toilet.
Summer signs up for a very intense dating app called Lovefinderrz, which scans her face in order to find perfect matches. It is a very intense app where you find the nre love of your life several times a day.
Rick is erasing the intruders poop entry, just as his motion detection sensors is picking yet another intruder. It appears to be same person as last time.