The 5th Wheel was initially hosted by the now-host of what comedy show?
The 5th Wheel:  The show was initially hosted by comedian Aisha Tyler, but when Tyler left after completing the first season, the remaining two seasons were hosted in narration by announcer Tom Gottlieb. Aisha Tyler:  She is a former co-host of CBS's "The Talk", and the host of "Whose Line is it Anyway?
Whose Line is it Anyway