4.1 So Long, Farewell, Auf Wiedersehen, Goodbye

4.2 The Girl from New York City

4.3 The Little Fish

4.4 Greek to Me

4.5 Radio Daze

4.6 Strangers in the Night

4.7 Moving Targets

4.8 Twenty Years Ago Today

4.9 Otherwise Engaged

4.10 And Did It... My Way

4.11 Take Back the Night

4.12 Radar Love

4.13 Emily

4.14 Windstruck

4.15 Somewhere in the World It's Christmas

4.16 Crunch Time

4.17 Thicker Than Water

4.18 Heartbreaker

4.19 The Labors of Love

4.20 Scared Very Straight

4.21 Addicted to Love

4.22 Change Partners

4.23 A Pig Is a Boy Is a Dog

4.24 Cuffs and Links

4.25 The Time Has Come Today

4.26 Blind Spot

4.27 Divas

4.28 Acting Out

4.29 Truth and Consequences

4.30 Vital Signs

4.31 Mr. Walsh Goes to Washington