Miss Jones raises suspicions about new tenant Madeline. Rigsbys not too bothered about her brand of "modern interpretive dancing", but isn't that keen on her partner. S3 E5: Fawcett's Python
Alan's getting serious about Caroline, but her parents are well-to-do and Rigsby is far from convinced that the young scruff could possibly make the relationship work. S3 E6: The Cocktail Hour
Rigsby's a little over-enthusiastic with advice when a couple of newly-weds move into the house. However, a rude surprise awaits him. S4 E1: Hello Young Lovers
Gwyn, a fundamentalist Welsh preacher who abstains from everything and spends much of his time praying moves in, and has some success in converting Rigsby to the faith. S4 E2: Fire And Brimstone.
Rigsby is ecstatic to learn that he has inherited his Uncle George's fortune, but distressed at the clause that he must be happily married. S4 E3: Great Expectations
Rigsby decides to move on, giving up on Miss Jones and filing for divorce. He places an advert in the local newspaper, but his search for love doesn't run entirely smoothly. S4 E4: Pink Carnations
An election polarises the household - Rigsby supports the Conservatives, Alan and Philip lean towards Labour, and Miss Jones is impressed with the Liberal candidate. S1 E7: Stand Up and Be Counted
When Miss Jones sees a prowler through her window, Rigsby suspects everyone else as a police detective appears and begins to investigate. S1 E6: The Prowler
Rigsby becomes convinced that magic is real after Philip bangs a ritual spear on the floor - while Ruth tries to offer herself to Rigsby, Philip and Alan play a trick on him. S1 E2: Black Magic