A toilet roll and baked bean hoagie makes PK remember a scenario where you have to cut off your pinky.

PK tells the lads he wants to travel back 10,000 years to find out who wrote religion and finally find out where the toilets are.

PK reverse engineers Bob Lazar's CV, David discovers Twitter and the lads listen to a radio signal from space.

PK questions the existence of the Mars Rover.

PK revisits his college days where he would believe in time travellers before stumbling through the story of Barney and Betty Hill's alien encounter.