LEGO Doctor Who 4-5 is the second in a series of LEGO video games based on the long-running BBC science-fiction show, Doctor Who; the first game being LEGO Doctor Who 1-3: the video game. Like the last, all of the Doctors are available with the game, and regenerate into the next variant rather than dying, when played as in Free Play. This video game focuses on the fourth and fifth Doctors, portrayed by Tom Baker and Peter Davison respectively. To reflect the number of companions and enemies of each, there are four 4th Doctor levels, and two for the 5th Doctor. This game features many of its former's skills and aspects, including the Sonic Screwdriver and UNIT Panel abilities, and the Boss Object parts of levels. This video game also introduces new skills, such as a Whip Ability, where some