Episode 8.11 - The Final Page - Part One: Robin takes steps to have Patrice fired from WWN, while Marshall puts a jinx on Barney. Later, Ted invites his architecture professor to the dedication of the GNB building; and Marshall and Lily bump into an oddball acquaintance from college.
Episode 8.12 - The Final Page - Part Two: Christmas approaches and Ted wrestles with whether to tell Robin about Barney's intentions involving Patrice, while Marshall and Lily get an early Yule gift, a night away from Marvin, but a case of separation anxiety strikes and threatens to ruin the evening.
Source: TV Guide