Puzzle 4

A paper container used to send letters in.

Back for Good group, originally with five members.

Evening __, London newspaper since 1827.

Examples include Stuff You Should Know, Serial.

Frozen treat at Dairy Queen: Peanut Butter Cup __.

Icelandic waterfall, aka the Golden Falls.

In linguistics it expresses possibility.

Japanese cooking show that begins "Allez cuisine!".

Kim, played the mannequin in 1987's Mannequin.

Large, wide-bodied modern aircraft.

Private network accessible to employees.

The first leg of a return journey.

Uncivilized, unenlightened times.