Mark gets wobbly-wobbly and timey-wimey with tech YouTuber George Chachanidze.The pair started by discussing their favourite incarnations of the Doctor, and then their favourite — or least favourite — companions.Spoilers aboundIf you’re not caught up with Doctor Whoand you intend to, be warned that Mark and George will spoil the hell out of it for you.(00:00) - Introduction (10:04) - George's pick: Heaven Sent (13:28) - Mark's pick: Father's Day (16:29) - George's pick: Blink (20:56) - Mark's pick: The Beast Below (25:19) - George's pick: Midnight (30:05) - Mark's pick: The Impossible Planet (36:27) - George's pick: Silence in the Library (42:32) - Mark's Pick: World Enough and Time (49:01) - George's pick: (54:40) - A break in time (57:10) - Building the final list (59:20) - Honourable mentions (01:07:31) - Goodbyes You can follow George on Twitter, find him and Paul on YouTube discussing tech, and follow his journey living a life without a smartphone.