The Big Bang Theory
Season 6·EPISODE 18
The Contractual Obligation Implementation
WatchedS06 · E18
Leonard, Sheldon and Howard give lectures on science to junior high students. The girls ditch work to go to Disneyland. Raj devises a date for Lucy that fixes their social anxiety problems.
AIR DATEMar 7, 2013Original broadcast date
RUNTIME20m20 minutes
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