E4 Extra Saturday

When Rick sells a gun to an alien assassin to raise the money for a visit to a video games arcade, Morty tries to stop the hitman before he can kill his target

On one of their jaunts, Rick, Morty and Summer encounter a spaceship that has been attacked and taken over by an assimilating hive mind named Unity

When parasites threaten to take over the world by placing memories in people's heads and multiplying through flashbacks, the Smith house is locked down

When a huge alien entity appears above the Earth, seeking a live performance of catchy new music, the duo call on Ice-T to help them write a tune for an intergalactic song contest

Robin gets revenge on Barney for his maltreatment of her during their break-up by setting him up with a self-help author who will not sleep with him. Guest starring Jennifer Lopez

An activist called Zoey sets her sights on saving a landmark building, unaware that it is being replaced by one Ted is designing - putting him in an awkward spot when they meet