Gary and Val are reunited at Southfork, which basically puts everyone on edge besides Lucy and Miss Ellie. 

Digger falls off the wagon and sells Pam to Jock for $100.

Today we'd say that Gary has severe anxiety (oh and is also an alcoholic...), in 1978 they just called him "weak". Well, the Ewing men do anyway. 

Gary and Val decide to abandon their daughter again, because no one can just get an apartment in town? Oh, Dallas....