CAPTIVE AUDIENCE

Big Week At The Zoo, 8pm, Ch5

THE start of a new, week-long stint at Yorkshire Wildlife Park. Episode one features the sweet sight of a trio of month-old tiger cubs; at the other end of the cuteness spectrum, a pair of Chinese alligators are attempting to breed. Somewhere in the middle is ex-JLS star J.B. Gill, (pictured) who is trying to determine the sex of a sloth.