Guest Star: Mark Barrett
You are viewing a list of Mark Barrett's 1 appearance on The Big Bang Theory.
The Skywalker Incursion - Season 8, Episode 19
Aired April 2, 2015
When Sheldon and Leonard are invited to give a lecture at UC Berkeley, they take a detour on the way there in the hopes of meeting an idol of theirs. Meanwhile, when Howard and Bernadette can't agree on the future of Howard's Doctor Who TARDIS, a ping pong battle with Penny, Raj and Amy settles the debate.
Appeared as Security Guard #2 (V.O.)