You will Watch Regular Show Season 2 Episode 28 online for free episodes with HQ / high quality. Stream cartoons Regular Show Episode 40 Karaoke Video. Mordecai and Rigby spend a night at Carrey O’Key’s Karaoke bar and sing a song, but they get drunk and accidentally begin talking trash about Benson, Pops and Skips. Their speech is taped without their knowing and they are given a copy while the bar keeps a tape as a promo. The next morning, Mordecai and Rigby watch the tape and destroy it, but the others see the cover of the tape and decide to go to the bar for a karaoke night. Mordecai and Rigby go with them and attempt to destroy the master tape before Benson, Skips and Pops see the promo. The barman tries to stop them, but ends up creating a bar fight.